Classification of Knowlton 1919

G. Ficus Röding 1798
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Ficus multinervis Heer 1856
Ficus myricoides Hollick 1895
G. †Nordenskioldia Heer 1870
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Unr. Plantae Haeckel 1866
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G. †Acorites Crepet 1878
Cl. Algae
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G. †Algites Seward 1894
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Algites americana Berry 1914
G. †Arthrodendron Ulrich 1904
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Arthrodendron diffusum Ulrich 1904
G. †Cancellophycus Saporta 1872
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Cancellophycus rhombicum Ulrich 1904
G. Caulerpites Sternberg 1833
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Caulerpites incrassatus Lesquereux 1872
Caulerpites lingulatus Lesquereux 1872
G. †Chondrites von Sternberg 1833
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Chondrites alpestris Heer 1877
Chondrites bulbosus Lesquereux 1872
Chondrites divaricatus Fischer-Ooster 1858
Chondrites filiciformis Lesquereux 1888
Chondrites flexuosus Newberry 1895
Chondrites gracilis Emmons 1856
Chondrites heerii Eichwald 1871
Chondrites interruptus Emmons 1856
Chondrites ramosus Emmons 1856
Chondrites subsimplex Lesquereux 1872
G. †Confervites Brongniart 1828
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Confervites dubius Berry 1905
G. Delesseria Lamouroux 1813
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Delesseria fulva Lesquereux 1872
G. †Dendrophycus Lesquereux 1884
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Dendrophycus triassicus Newberry 1887
G. †Fucoides Brongniart 1822
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Fucoides connecticutensis Hitchcock 1841
Fucoides shepardi Hitchcock 1841
G. Fucus Linnaeus 1853
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Fucus digitatus Penhallow 1896
Fucus lignitum Lesquereux 1875
G. †Gilbertina Ulrich 1904
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Gilbertina spiralis Ulrich 1904
G. †Gyrodendron Ulrich 1904
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Gyrodendron emersoni Ulrich 1904
G. †Halymenites Sternberg 1833
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Halymenites major Lesquereux 1872
Halymenites striatus Lesquereux 1872
G. †Helminthoida Schafhautl 1851
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Helminthoida abnormis Ulrich 1904
Helminthoida exacta Ulrich 1904
Helminthoida subcrassa Ulrich 1904
Helminthoida vaga Ulrich 1904
G. †Helminthopsis Heer 1877
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Helminthopsis magna Heer 1877
G. †Loperia Newberry 1887
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Loperia simplex Newberry 1888
G. †Myelophycus Ulrich 1904
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Myelophycus curvatum Ulrich 1904
G. †Palaeodictyon Heer 1865
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G. †Palaeophycus Hall 1847
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G. †Retiphycus Ulrich 1904
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Retiphycus hexagonale Ulrich 1904
Invalid names: Characeales [empty]
G. †Antholithus Nathorst 1908
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Antholithus arundites Berry 1916
G. †Arthrotaxopsis Fontaine 1890
Ph. †Bryophyta
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Cl. Hepaticae [liverwort]
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+
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G. Marchantia Linnaeus 1753
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Marchantia pealei Knowlton 1908
G. †Marchantites Brongniart 1849
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Marchantites erectus Leckenby 1864
G. †Preissites Knowlton 1894
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Preissites wardii Knowlton 1894
Cl. †Musci
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+
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G. Rhynchostegium Bruch and Schimper 1852
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Rhynchostegium knowltoni Britton 1899
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G. Bryum Hedwig 1801
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G. Distichium Bruch and Schimper 1846
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Distichium capillaceum Bruch and Schimper 1846
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G. Fontinalis Hedwig 1801
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G. †Plagiopodopsis Britton and Hollick 1915
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Plagiopodopsis scudderi Britton and Hollick 1915
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G. Hypnum Hedwig 1801
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Hypnum brownii Kirchner 1898
Hypnum columbianum Penhallow 1890
Hypnum commutatum Hedwig 1801
Hypnum fluitans Hedwig 1801
Hypnum recurvans Schwegler 1896
Hypnum revalvens Swartz 1878
Hypnum richardsoni Holzinger 1903
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G. Polytrichum Hedwig 1801
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Polytrichum florissanti Knowlton 1916
G. Diplazium Swartz 1800 [twinsorus fern]
G. Elaeagnus Linnaeus 1753
G. Elodea Michaux 1803 [waterweed]
G. Embothrium Forster and Forster 1775 [Chilean firebush]
G. Eysenhardtia Kunth 1823 [kidneywood]
G. Glyphomitrium Bridel 1819
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Glyphomitrium cockerelleae Britton and Hollick 1907
G. Lathraea Linnaeus 1753 [toothwort]
G. Leitneria Chapman 1860 [corkwood]
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Leitneria floridana Chapman 1860
G. Macreightia de Candolle 1844
G. Mezoneuron Desfontaines 1818
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Mezoneuron bridgetonense Hollick 1896
G. Prinos Linnaeus 1753
G. Psilotum Swartz 1801
Ph. Pteridophyta Haeckel 1875 [fern]
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G. †Asterocarpus Göppert 1836
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Asterocarpus falcatus Emmons 1856
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Invalid names: Asterocarpus virginiensis Fontaine 1883 [synonym], Laccopteris emmonsi Fontaine 1883 [synonym], Pecopteris carolinensis Emmons 1856 [synonym]
Asterocarpus penticarpus Fontaine 1883
Asterocarpus platyrachis Fontaine 1883
G. †Didymosorus Debey and Ettingshausen 1859
Or. Equisetales Dumortier 1829
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Fm. Equisetaceae De Candolle 1804
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G. Equisetum Linnaeus 1753 [horsetail]
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Equisetum abiquiense Fontaine 1890
Equisetum arcticum Heer 1866
Equisetum arvense Linnaeus 1753
Equisetum burchardti Dunker 1846
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Invalid names: Equisetum marylandicum Fontaine 1889 [synonym], Equisetum virginicum Fontaine 1889 [synonym]
Equisetum canaliculatum Knowlton 1899
Equisetum collieri Knowlton 1914
Equisetum deciduum Knowlton 1899
Equisetum florissantense Cockerell 1915
Equisetum fluviatile Linnaeus 1753
Equisetum globulosum Lesquereux 1882
Equisetum haguei Knowlton 1899
Equisetum haydenii Lesquereux 1871
Equisetum knowltoni Fontaine 1890
Equisetum lesquereuxii Knowlton 1898
Equisetum lyelli Mantell
Equisetum meriani Brongniart 1828
Equisetum muensteri Sternberg 1833
Equisetum oregonense Newberry 1882
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Invalid names: Equisetum hornii Lesquereux 1888 [synonym]
Equisetum parlatorii Heer 1855
Equisetum perlaevigatum Cockerell 1889
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Invalid names: Equisetum laevigatum Lesquereux 1873 [synonym]
Equisetum phillipsii Dunker 1843
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Invalid names: Equisetum montanense Fontaine 1898 [synonym]
Equisetum rogersii Bunbury 1851
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Invalid names: Calamites arenaceus Emmons 1856 [synonym], Calamites disjunctus Emmons 1856 [synonym], Equisetum arundiniforme Rogers 1843 [synonym], Equisetum columnaroides Emmons 1856 [synonym], Phytolithus striaticulmis Martin 1809 [synonym]
Equisetum scirpoides Michaux 1803
Equisetum similkamense Dawson 1878
Equisetum sylvaticum Linnaeus 1753
Equisetum texense Fontaine 1893
Equisetum wyomingense Lesquereux 1873
Invalid names: Physagenia Heer 1855 [synonym]
G. †Neocalamites Halle 1908
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Neocalamites knowltoni Berry 1912
Neocalamites virginiensis Fontaine 1883
G. †Schizoneura Schimper and Mougeot 1844
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Schizoneura planicostata Rogers 1843
Unr. †Filices
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Or. †Filicales
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Fm. Cyatheaceae Kaulfuss 1827 [scaly tree fern]
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G. †Coniopteris Brongniart 1849
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Coniopteris burejensis Zalessky 1904
Coniopteris hymenophylloides Brongniart 1828
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Invalid names: Adiantites amurensis Heer 1876 [synonym]
G. †Cyatheites Goeppert 1836
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Cyatheites nebraskana Heer 1868
G. Dicksonia L'Héritier de Brutelle 1788
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+
Invalid names: Anemia stricta Newberry 1895 [synonym]
Dicksonia montanensis Fontaine 1905
Dicksonia munda Dawson 1885
Dicksonia oregonensis Fontaine 1905
Dicksonia pachyphylla Fontaine 1905
Dicksonia saportana Heer 1876
G. †Dicksoniopsis Berry 1911
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G. †Hemitelites Goeppert 1836
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Hemitelites torelli Heer 1869
G. Thyrsopteris Kunze 1834
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Thyrsopteris murrayana Brongniart 1835
Fm. †Gleicheniaceae Presl
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G. Dicranopteris Bernhardi 1805
G. Gleichenia Smith 1793
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Gleichenia delicatula Heer 1874
Gleichenia giesekiana Heer 1868
Gleichenia gilbertthompsoni Fontaine 1905
Gleichenia gracilis Heer 1874
Gleichenia kurriana Heer 1869
Gleichenia micromera Heer 1874
Gleichenia obscura Knowlton 1901
Gleichenia protogaea Debey and Ettingshausen 1906
Gleichenia pulchella Knowlton 1913
Gleichenia rhombifolia Hollick 1902
Gleichenia saundersii Berry 1903
Gleichenia zippei Corda 1846
Fm. †Hymenophyllaceae Link
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G. Hymenophyllum Smith 1793
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Hymenophyllum confusum Lesquereux 1873
Hymenophyllum cretaceum Lesquereux 1872
Fm. Marsileaceae Mirbel 1802
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G. Marsilea Linnaeus 1753 [water clover]
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Marsilea andersoni Hollick 1904
Marsilea attenuata Lesquereux 1875
Fm. Matoniaceae Presl 1847
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G. †Knowltonella Berry 1911
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Knowltonella maxoni Berry 1911
G. †Laccopteris Presl 1838
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Laccopteris elegans Presl 1838
Laccopteris lanceolata Göppert 1838
G. †Matonidium Schenk 1871
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Matonidium althausii Dunker 1844
Fm. †Osmundaceae Berchtold and Presl
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G. †Acrostichites Goeppert 1836
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Acrostichites densifolius Fontaine 1883
Acrostichites microphyllus Fontaine 1883
Acrostichites princeps Presl 1841
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Invalid names: Acrostichites rhombifolius Fontaine 1883 [synonym]
Invalid names: Acrostichides Fontaine 1883 [synonym]
G. Osmunda Linnaeus 1753
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Osmunda arctica Heer 1883
Osmunda delawarensis Berry 1906
Osmunda dicksonioides Fontaine 1889
Osmunda doroschkiana Göppert 1861
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Invalid names: Osmunda torelli Heer 1878 [synonym]
Osmunda heerii Gaudin 1908
Osmunda hollicki Knowlton 1918
Osmunda macrophylla Penhallow 1908
Osmunda montanensis Knowlton 1905
Osmunda novaecaesarae Berry 1907
Osmunda obergiana Heer 1895
Osmunda spectabilis Willdenow 1910
Osmunda sphenopteroides Fontaine 1889
G. †Osmundites Unger 1854
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Osmundites skidegatensis Penhallow 1902
Fm. Polypodiaceae Presl and Presl 1822
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G. Acrostichum Linnaeus 1753
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Acrostichum crassifolium Fontaine 1889
Acrostichum georgianum Berry 1914
Acrostichum haddeni Hollick 1902
Acrostichum hesperium Newberry 1882
G. †Adiantites Goeppert 1836
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Adiantites nympharum Heer 1876
Adiantites orovillensis Fontaine 1896
Adiantites praelongus Dawson 1882
G. Adiantum Linnaeus 1753
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Adiantum montanensis Knowlton 1907
G. †Allantodiopsis Knowlton and Maxon 1919
G. †Anomalofilicites Hollick 1916
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G. Aspidium Swartz 1801
G. †Aspleniopteris Fontaine 1889
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Aspleniopteris adiantifolia Fontaine 1889
Aspleniopteris pinnatifida Fontaine 1889
G. †Asplenites Göppert 1836
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Asplenites roesserti Schenk 1883
G. Asplenium Linnaeus 1753
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Asplenium albertum Dawson 1885
Asplenium cecilensis Berry 1911
Asplenium coloradense Knowlton 1917
Asplenium crossii Knowlton 1898
Asplenium dubium Fontaine 1889
Asplenium eolignitica Berry 1916
Asplenium foersteri Debey and Ettingshausen 1859
Asplenium haguei Knowlton 1899
Asplenium hurleyensis Berry 1916
Asplenium iddingsi Knowlton 1899
Asplenium jerseyensis Berry 1911
Asplenium magnum Knowlton 1899
Asplenium martinianum Dawson 1885
Asplenium neomexicanum Knowlton 1916
Asplenium niobrara Dawson 1882
Asplenium occidentale Knowlton 1917
Asplenium primero Knowlton 1917
Asplenium raritanense Berry 1909
Asplenium remotidens Knowlton 1899
Asplenium tenellum Knowlton 1900
Asplenium wyomingense Knowlton 1900
G. Blechnum Linnaeus 1753
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Blechnum goepperti Ettingshausen 1865
G. Cladophlebis Brongniart 1849
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Cladophlebis alata Fontaine 1905
Cladophlebis albertsii Dunker 1846
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Invalid names: Cladophlebis pachyphylla Fontaine 1889 [synonym], Dryopteris angustipinnata Fontaine 1889 [synonym]
Cladophlebis angustifolia Newberry 1891
Cladophlebis auriculata Fontaine 1883
Cladophlebis columbiana Dawson 1893
Cladophlebis constricta Fontaine 1889
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Invalid names: Cladophlebis latifolia Fontaine 1889 [synonym]
Cladophlebis densifolia Fontaine 1896
Cladophlebis denticulata Brongniart 1828
Cladophlebis distans Fontaine 1889
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Invalid names: Dryopteris fredericksburgensis Fontaine 1889 [synonym]
Cladophlebis fisheri Knowlton 1907
Cladophlebis heterophylla Fontaine 1892
Cladophlebis hirta Möller 1902
Cladophlebis huttoni Dunker 1846
Cladophlebis inaequiloba Fontaine 1889
Cladophlebis indica Oldham and Morris 1862
Cladophlebis microphylla Fontaine 1883
Cladophlebis obtusifolia Andrae 1855
Cladophlebis ovata Fontaine 1883
Cladophlebis parva Fontaine 1889
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Invalid names: Dryopteris heterophylla Fontaine 1889 [synonym]
Cladophlebis pecopteroides Fontaine 1905
Cladophlebis reticulata Fontaine 1900
Cladophlebis rotundata Fontaine 1889
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Invalid names: Cladophlebis brevipennis Fontaine 1889 [synonym]
Cladophlebis rotundiloba Fontaine 1883
Cladophlebis skagitensis Penhallow 1907
Cladophlebis socialis Heer 1882
Cladophlebis subfalcata Fontaine 1883
Cladophlebis ungeri Dunker 1846
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Invalid names: Cladophlebis dunkeri Schimper 1850 [synonym], Dryopteris parvifolia Fontaine 1889 [synonym], Pecopteris brevipennis Fontaine 1889 [synonym], Pecopteris pachyphylla Fontaine 1889 [synonym]
Cladophlebis virginiensis Fontaine 1889
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Invalid names: Cladophlebis acuta Fontaine 1889 [synonym], Cladophlebis falcata Fontaine 1889 [synonym], Thinnfeldia montanensis Fontaine 1897 [synonym]
Cladophlebis wyomingensis Fontaine 1899
Invalid names: Cladophlebis inclinata Fontaine 1889 [nomen dubium], Cladophlebis oblongifolia Fontaine 1889 [nomen dubium]
G. Davallia Smith 1793
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Davallia montana Knowlton 1899
G. †Davallites Dawson 1883
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Davallites richardsoni Dawson 1883
G. Dennstaedtia Bernhardi 1800
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Dennstaedtia americana Knowlton 1910
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Invalid names: Asplenium tenerum Lesquereux 1883 [synonym], Sphenopteris blomstrandi Heer 1868 [synonym]
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G. †Clathropteris Brongniart 1828
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Clathropteris platyphylla Göppert 1846
Clathropteris rectiusculus Hitchcock 1855
G. †Dictyophyllum Lindley and Hutton 1834
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Dictyophyllum nilssoni Brongniart 1836
G. †Hausmannia Dunker 1846
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Hausmannia californica Fontaine 1905
G. †Protorhipis Andrae 1853
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Protorhipis fisheri Knowlton 1907
G. Dryopteris Adanson 1763
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Dryopteris arguta Lesquereux 1868
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Invalid names: Aspidium lakesii Lesquereux 1878 [synonym], Sphenopteris membranacea Lesquereux 1873 [synonym]
Dryopteris civica Dawson 1896
Dryopteris cladophleboides Knowlton 1918
Dryopteris coloradensis Knowlton 1917
Dryopteris gleichenoides Knowlton 1901
Dryopteris idahoensis Knowlton 1898
Dryopteris kennerlyi Newberry 1863
Dryopteris kootaniensis Knowlton 1907
Dryopteris lloydii Knowlton 1915
Dryopteris montanensis Fontaine 1892
Dryopteris nigricans Lesquereux 1873
Dryopteris polypodioides Ettingshausen 1873
Dryopteris scansa Cockerell 1908
Dryopteris weedii Knowlton 1899
Dryopteris xantholithensis Knowlton 1899
G. †Dryopterites Berry 1911
+
Dryopterites cystopteroides Fontaine 1889
Dryopterites dentata Fontaine 1889
+
Invalid names: Dryopteris microcarpa Fontaine 1889 [synonym]
Dryopterites elliptica Fontaine 1890
Dryopterites macrocarpa Fontaine 1889
Dryopterites pinnatifida Fontaine 1890
Dryopterites virginica Fontaine 1889
+
Invalid names: Dryopteris oblongifolia Fontaine 1889 [synonym]
G. †Gymnogramma Lehmannii
G. Hypolepis Bernhardi 1805
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Hypolepis coloradensis Cockerell 1909
G. Lastrea Bory 1824
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Lastrea fischeri Heer 1855
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Invalid names: Lastrea knightiana Newberry 1882 [synonym]
Lastrea styriaca Heer 1855
G. †Meniphylloides Berry 1916
+
G. †Microtaenia Knowlton 1918
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Microtaenia variabilis Knowlton 1918
G. Oleandra Cavanilles 1801
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Oleandra arctica Heer 1874
Oleandra graminaefolia Knowlton 1907
G. Onoclea Linnaeus 1753
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Onoclea fecunda Lesquereux 1872
Onoclea inquirenda Hollick 1904
Onoclea minima Knowlton 1899
Onoclea neomexicana Knowlton 1916
Onoclea sensibilis Linnaeus 1753
G. †Onychiopsis Yokoyama 1895
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Onychiopsis brevifolia Fontaine 1889
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Invalid names: Thyrsopteris dentata Fontaine 1889 [synonym], Thyrsopteris heterophylla Fontaine 1889 [synonym], Thyrsopteris nana Fontaine 1889 [synonym], Thyrsopteris pachyphylla Fontaine 1889 [synonym], Thyrsopteris retusa Fontaine 1889 [synonym], Thyrsopteris sphenopteroides Fontaine 1889 [synonym], Thyrsopteris squarrosa Fontaine 1889 [synonym]
Onychiopsis goepperti Schenk 1871
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Invalid names: Thyrsopteris alata Fontaine 1889 [synonym], Thyrsopteris angustiloba Fontaine 1889 [synonym], Thyrsopteris bella Fontaine 1889 [synonym], Thyrsopteris decurrens Fontaine 1889 [synonym], Thyrsopteris densifolia Fontaine 1889 [synonym], Thyrsopteris distans Fontaine 1889 [synonym], Thyrsopteris elliptica Fontaine 1889 [synonym], Thyrsopteris inaequipinnata Fontaine 1889 [synonym], Thyrsopteris microloba Fontaine 1889 [synonym], Thyrsopteris pachyrachis Fontaine 1889 [synonym], Thyrsopteris pinnatifida Fontaine 1889 [synonym], Thyrsopteris rarinervis Fontaine 1889 [synonym], Thyrsopteris rhombifolia Fontaine 1889 [synonym], Thyrsopteris rhombiloba Fontaine 1889 [synonym], Thyrsopteris varians Fontaine 1889 [synonym], Thyrsopteris virginica Fontaine 1889 [synonym]
Onychiopsis latiloba Fontaine 1889
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Invalid names: Thyrsopteris brevipennis Fontaine 1889 [synonym], Thyrsopteris crenata Fontaine 1889 [synonym], Thyrsopteris divaricata Fontaine 1889 [synonym]
Onychiopsis nervosa Fontaine 1889
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Invalid names: Adiantites parvifolius Fontaine 1889 [synonym], Thyrsopteris crassinervis Fontaine 1889 [synonym], Thyrsopteris heteroloba Fontaine 1889 [synonym], Thyrsopteris maakiana Heer 1876 [synonym], Thyrsopteris meekiana Fontaine 1889 [synonym], Thyrsopteris obtusiloba Fontaine 1889 [synonym], Thyrsopteris pecopteroides Fontaine 1889 [synonym]
Onychiopsis psilotoides Stokes and Webb 1824
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Invalid names: Thyrsopteris angustifolia Fontaine 1889 [synonym], Thyrsopteris dentifolia Fontaine 1899 [synonym], Thyrsopteris insignis Fontaine 1889 [synonym], Thyrsopteris microphylla Fontaine 1889 [synonym]
Invalid names: Hymenopteris Stokes and Webb 1824 [synonym]
G. Pellaea Link 1841 [cliffbrake]
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Pellaea antiquella Cockerell 1908
G. Phegopteris Fée 1852
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Phegopteris grothiana Heer 1883
Phegopteris guyottii Lesquereux 1883
G. Polypodium Linnaeus 1753
+
Polypodium dentatum Fontaine 1889
Polypodium fadyenioide Fontaine 1889
Polypodium oregonense Fontaine 1905
G. Polystichum Roth 1799
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Polystichum hillsianum Hollick 1902
G. Pteris Linnaeus 1753
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Pteris dakotensis Lesquereux 1891
Pteris elegans Newberry 1882
Pteris glossopteroides Dawson 1882
Pteris inquirenda Berry 1918
Pteris linearis Knowlton 1918
Pteris pseudopinnaeformis Lesquereux 1878
Pteris russellii Newberry 1882
Pteris sitkensis Heer 1869
G. Salpichlaena Smith 1842
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Salpichlaena anceps Lesquereux 1872
+
Invalid names: Osmunda affinis Lesquereux 1878 [synonym]
G. Tapeinidium Christensen 1906
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Tapeinidium undulatum Hall 1842
G. Woodwardia Smith 1793
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Woodwardia columbiana Knowlton 1910
Woodwardia crenata Knowlton 1900
Woodwardia florissantia Cockerell 1908
Woodwardia latiloba Lesquereux 1873
Woodwardia maxoni Knowlton 1910
Woodwardia preareolata Knowlton 1899
Fm. †Salviniaceae Lestiboudois
+
G. †Azollophyllum Penhallow 1890
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Azollophyllum primaevum Penhallow 1890
G. Salvinia Adanson 1763 [watermoss]
+
Salvinia elliptica Newberry 1894
Salvinia formosa Heer 1859
Fm. †Schizaeaceae Kaulfuss
+
G. †Acrostichopteris Fontaine 1889
+
+
Invalid names: Baieropsis denticulata Fontaine 1889 [synonym]
Acrostichopteris expansa Fontaine 1889
Acrostichopteris fimbriata Knowlton 1907
+
Invalid names: Acrostichopteris densifolia Fontaine 1889 [synonym], Baieropsis foliosa Fontaine 1889 [synonym]
Acrostichopteris parvifolia Fontaine 1889
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Invalid names: Acrostichopteris parcelobata Fontaine 1889 [synonym]
+
Invalid names: Baieropsis longifolia Fontaine 1889 [synonym]
Invalid names: Baieropsis Fontaine 1889 [synonym]
G. Anemia Swartz 1806
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Anemia elongata Newberry 1863
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Invalid names: Anemia haydenii Lesquereux 1871 [synonym], Anemia perplexa Hollick 1898 [synonym], Asplenium subcretaceum Saporta 1868 [synonym]
Anemia eocenica Berry 1916
Anemia fremonti Knowlton 1917
Anemia gracillima Lesquereux 1883
Anemia hesperia Knowlton 1916
Anemia occidentalis Knowlton 1917
Anemia robusta Hollick 1902
Anemia supercretacea Hollick 1902
G. Lygodium Swartz 1800 [climbing fern]
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Lygodium binervatum Lesquereux 1869
Lygodium compactum Lesquereux 1868
Lygodium dentoni Lesquereux 1875
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Invalid names: Lygodium neuropteroides Lesquereux 1870 [synonym]
Lygodium marvinei Lesquereux 1875
Lygodium trichomanoides Lesquereux 1874
G. †Ruffordia Seward 1894
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Ruffordia acrodenta Fontaine 1890
Ruffordia goepperti Dunker 1844
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Invalid names: Cladophlebis sphenopteroides Fontaine 1889 [synonym], Sphenopteris pachyphylla Fontaine 1889 [synonym], Sphenopteris spatulata Fontaine 1889 [synonym], Sphenopteris thysopteroides Fontaine 1889 [synonym], Thyrsopteris heteromorpha Fontaine 1889 [synonym]
G. †Schizaeopteris Stopes and Fujii 1910
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Fm. Marattiaceae Berchtold and Presl
+
G. †Angiopteridium Schimper 1869
G. †Danaeopsis Schimper 1869
+
Danaeopsis storrsii Fontaine 1905
G. Marattia Swartz 1788
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Marattia cretacea Velenovsky 1919
G. †Mertensides Fontaine 1883
+
Mertensides bullatus Bunbury 1847
Mertensides distans Fontaine 1883
G. †Taeniopteris Brongniart 1828
+
Taeniopteris auriculata Fontaine 1889
Taeniopteris major Lindley and Hutton 1833
Taeniopteris nervosa Fontaine 1889
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Invalid names: Angiopteridium densinerve Fontaine 1889 [synonym], Angiopteridium pachyphyllum Fontaine 1889 [synonym], Angiopteridium strictinerve Fontaine 1889 [synonym], Anomozamites angustifolius Fontaine 1889 [synonym], Anomozamites virginicus Fontaine 1889 [synonym]
Taeniopteris oregonensis Fontaine 1905
Taeniopteris orovillensis Fontaine 1896
Taeniopteris plumosa Dawson 1882
Taeniopteris shastensis Knowlton 1919
Taeniopteris vittata Brongniart 1831
Taeniopteris yorkensis Fontaine 1900
Invalid names: Hydropteraceae [empty]
G. †Heterofilicites Berry 1905
+
Heterofilicites anceps Berry 1905
Or. Isoetales Prantl 1874
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Fm. Isoetaceae Dumortier 1829
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G. Isoetes Linnaeus 1753 [quillwort]
+
Isoetes brevifolius Lesquereux 1883
G. †Lonchopteris Brongniart 1828
+
Lonchopteris oblonga Emmons 1856
Lonchopteris virginiensis Fontaine 1883
Or. Lycopodiales Dumortier 1829
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Fm. Lycopodiaceae Mirbel 1802
+
G. †Lycopodites Brongniart 1822
+
Lycopodites montanensis Fontaine 1905
G. Lycopodium Linnaeus 1753 [ground pine]
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Lycopodium cretaceum Berry 1910
Lycopodium lesquereuxiana Knowlton 1897
Lycopodium prominens Lesquereux 1873
Fm. Psilotaceae Griffith and Henfrey 1855
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G. Tmesipteris Bernardi 1800
+
Tmesipteris alleni Lesquereux 1872
Fm. Selaginellaceae Willkomm 1854 [spikemoss]
+
G. Selaginella Beauvois 1804
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Selaginella berthoudi Lesquereux 1873
Selaginella collieri Knowlton 1916
Selaginella falcata Lesquereux 1878
Selaginella laciniata Lesquereux 1875
Selaginella marylandica Fontaine 1905
G. †Macrotaeniopteris Schimper 1869
+
Macrotaeniopteris crassinervis Feistmantel 1877
Macrotaeniopteris nervosa Fontaine 1896
G. †Newberryana Berry 1910
+
Newberryana rigida Newberry 1895
Or. Ophioglossales Link 1833
+
Fm. Ophioglossaceae Martinov 1820
+
G. †Chiropteris Kurr 1845
+
Chiropteris williamsii Newberry 1891
G. †Ophioglossum Heer 1883
G. †Pecopteris Brongniart 1822
+
Pecopteris rarinervis Fontaine 1883
G. †Pseudodanaeopsis Fontaine 1883
+
Pseudodanaeopsis obliqua Emmons 1856
+
Invalid names: Pseudodanaeopsis nervosa Fontaine 1883 [synonym]
G. †Scleropteris Saporta 1872
+
Scleropteris distantifolia Fontaine 1899
Scleropteris elliptica Fontaine 1889
+
Invalid names: Ctenopteris integrifolia Fontaine 1889 [synonym], Scleropteris virginica Fontaine 1889 [synonym]
Scleropteris oregonensis Fontaine 1905
Scleropteris rotundifolia Fontaine 1899
G. †Sphenopteris Sternberg 1825
+
Sphenopteris corrugata Newberry 1868
Sphenopteris egyptiaca Emmons 1857
G. †Stenopteris Saporta 1872
+
Stenopteris cretacea Hollick 1902
Stenopteris virginica Fontaine 1889
G. †Tempskya Corda 1845
+
Tempskya whitei Berry 1911
G. †Thinnfeldia Ettingshausen 1852
+
Thinnfeldia fontainei Berry 1903
+
Invalid names: Thinnfeldia variabilis Fontaine 1889 [replaced]
Thinnfeldia granulata Fontaine 1889
+
Invalid names: Acaciaephyllum longifolium Fontaine 1889 [synonym], Acaciaephyllum microphyllum Fontaine 1889 [synonym], Acaciaephyllum spatulatum Fontaine 1889 [synonym], Acaciaephyllum variabile Fontaine 1889 [synonym], Celastrophyllum proteoides Fontaine 1889 [synonym]
Thinnfeldia marylandica Fontaine 1905
Thinnfeldia reticulata Fontaine 1900
Thinnfeldia rotundiloba Fontaine 1889
G. †Weichselia Stiehler 1857
+
Weichselia reticulata Stokes and Webb 1824
G. Sclerotium Tode
G. Spathyema Rafinesque 1809
+
Spathyema nevadensis Knowlton 1901
+
+
Subcl. †Dicotyledones
+
G. †Anisophyllum Lesquereux 1874
+
Anisophyllum semialatum Lesquereux 1868
Or. †Ebenales
+
Fm. †Ebenaceae Guerke 1891
+
G. †Diospyros Linnaeus 1753
+
Diospyros alaskana Schimper 1872
+
Invalid names: Diospyros lancifolia Lesquereux 1859 [synonym]
Diospyros amboyensis Berry 1909
+
Invalid names: Phyllites ellipticus Newberry 1896 [synonym]
Diospyros anceps Heer 1859
Diospyros apiculata Lesquereux 1891
Diospyros brachysepala Braun 1845
+
Invalid names: Andromeda dubia Lesquereux 1859 [synonym], Diospyros princetonia Cockerell 1906 [synonym], Rhamnus inaequalis Lesquereux 1873 [synonym]
Diospyros celastroides Lesquereux 1891
Diospyros elliptica Knowlton 1902
Diospyros eminens Dawson 1893
Diospyros ficoidea Lesquereux 1875
Diospyros haguei Knowlton 1899
Diospyros hexaphylla Lesquereux 1872
Diospyros judithae Knowlton 1916
Diospyros lamarensis Knowlton 1899
Diospyros leei Knowlton 1917
Diospyros nitida Dawson 1882
Diospyros obtusata Ward 1885
Diospyros primaeva Heer 1866
Diospyros prodromus Heer 1882
Diospyros provecta Velenovsky 1884
Diospyros pseudoanceps Lesquereux 1891
Diospyros raritanensis Berry 1910
Diospyros steenstrupi Heer 1883
Diospyros stenosepala Heer 1869
Diospyros vancouverensis Dawson 1882
Diospyros vera Berry 1911
Diospyros virginiana Linnaeus 1753
Diospyros wilcoxiana Berry 1916
G. †Ebenoxylon Felix 1882
+
Ebenoxylon boreale Platen 1907
Ebenoxylon speciosum Platen 1907
Fm. Sapotaceae de Jussieu 1789
+
G. †Bumelia Swartz 1788
+
Bumelia americana Lesquereux 1869
Bumelia florissanti Lesquereux 1883
Bumelia grenadensis Berry 1916
Bumelia hurleyensis Berry 1916
Bumelia oklahomensis Berry 1918
Bumelia praenuntia Berry 1914
Bumelia pseudohorrida Berry 1916
Bumelia pseudolanguinosa Hollick 1906
Bumelia pseudotenax Berry 1916
Bumelia rhomboidea Lesquereux 1891
Bumelia wilcoxiana Berry 1916
G. Chrysophyllum Linnaeus 1753
+
G. †Eoachras Berry 1915
+
Eoachras eocenica Berry 1915
G. Mimusops Linnaeus 1753
+
Mimusops siberifolia Berry 1916
Mimusops truncata Lesquereux 1869
+
Invalid names: Mimusops eolignitica Berry 1916 [synonym]
G. †Sapotacites Ettingshausen 1853
+
Sapotacites coriaceus Lesquereux 1873
+
Invalid names: Sapotacites copeanus Ettingshausen 1883 [synonym]
Sapotacites formosus Berry 1919
Sapotacites haydenii Heer 1858
Sapotacites knowltoni Berry 1906
G. Sideroxylon Linnaeus 1753
+
Sideroxylon ellipticus Berry 1916
Fm. †Styracaceae de Candolle and Sprengel 1821
+
G. Styrax Linnaeus 1753 [storax]
+
Styrax ambra Unger 1865
Styrax laramiense Lesquereux 1888
Or. Ericales Berchtold and Presl 1820
+
Fm. Clethraceae Klotzsch 1851
+
G. Clethra Linnaeus 1753
+
Clethra alnifolia Linnaeus 1753
Fm. Ericaceae Jussieu 1789 [heather]
+
G. Andromeda Linnaeus 1753
+
Andromeda affinis Lesquereux 1874
Andromeda angustifolia Berry 1914
Andromeda cookii Berry 1909
+
Invalid names: Andromeda flexuosa Newberry 1896 [replaced]
Andromeda crassa Lesquereux 1888
Andromeda cretacea Lesquereux 1892
Andromeda delicatula Lesquereux 1883
Andromeda grandifolia Smith 1894
+
Invalid names: Andromeda latifolia Newberry 1895 [synonym]
Andromeda grayana Heer 1865
Andromeda lanceolata Knowlton 1917
Andromeda linearifolia Lesquereux 1887
Andromeda linifolia Lesquereux 1891
Andromeda novaecaesareae Hollick 1896
Andromeda parlatorii Heer 1866
Andromeda pfaffiana Heer 1882
Andromeda protogaea Unger 1850
Andromeda reticulata Ettingshausen 1850
Andromeda scripta Knowlton 1917
Andromeda snowii Lesquereux 1891
Andromeda tenuinervis Lesquereux 1891
Andromeda wardiana Lesquereux 1892
G. Arbutus Linnaeus 1753 [madrone]
+
Arbutus menziesii Pursh 1813
G. Arctostaphylos Adanson 1763
+
Arctostaphylos elliptica Knowlton 1899
G. Dendrium Desvaux 1813
+
G. Gaylussacia Kunth 1818
+
Gaylussacia dumosa Andrews 1846
G. Kalmia Linnaeus 1753 [lambkill]
+
Kalmia brittoniana Hollick 1892
G. Leucothoe Don 1834 [doghobble]
+
Leucothoe racemosa Linnaeus 1753
G. Xolisma Rafinesque 1819
+
Xolisma lingustrina Linnaeus 1753
+
G. Oxycoccus Hill 1758
+
Oxycoccus palustris Persoon 1805
G. Vaccinium Linnaeus 1753
+
Vaccinium alaskanum Knowlton 1904
Vaccinium arboreum Marshall 1785
Vaccinium coloradense Lesquereux 1887
Vaccinium corymbosum Linnaeus 1753
Vaccinium friesii Heer 1869
Vaccinium hollicki Knowlton 1919
Vaccinium spathulata Berry 1907
Vaccinium textum Heer 1916
Vaccinium uliginosum Linnaeus 1753
G. †Vaccinophyllum Dawson 1890
+
Vaccinophyllum quaestum Dawson 1890
Invalid names: Pirolaceae [empty]
Or. Fagales Engler 1892
+
Fm. Betulaceae Gray 1822 [birch]
+
G. †Alnites Hisinger 1837
+
Alnites crassus Lesquereux 1893
Alnites curta Dawson 1890
Alnites grandifolia Newberry 1869
Alnites insignis Dawson 1882
G. Alnus Miller 1754 [alder]
+
Alnus alaskana Newberry 1882
Alnus americana Ettingshausen 1883
Alnus carpinifolia Lesquereux 1888
Alnus carpinoides Lesquereux 1883
Alnus corrallina Lesquereux 1883
Alnus corylina Lesquereux 1882
Alnus grandiflora Newberry 1882
Alnus grewiopsis Ward 1885
Alnus inaequilateralis Lesquereux 1875
Alnus kefersteinii Göppert 1837
Alnus macrodonta Knowlton 1902
Alnus praecordata Cockerell 1908
+
Invalid names: Alnus cordata Lesquereux 1883 [replaced]
Alnus rhamnifolia Nuttall 1911
Alnus rubra Bongard 1833
Alnus rugosa Koch 1872
Alnus serrata Newberry 1868
Alnus serrulata Newberry 1898
G. Betula Linnaeus 1753 [birch]
+
Betula aequalis Lesquereux 1878
Betula alaskana Lesquereux 1882
Betula angustifolia Newberry 1882
Betula basiserrata Ward 1885
Betula beatriciana Lesquereux 1868
Betula bendirei Knowlton 1902
Betula coryloides Ward 1885
Betula dayana Knowlton 1902
Betula deltoides Knowlton 1916
Betula elliptica Saporta 1861
Betula fallax Lesquereux 1888
Betula florissanti Lesquereux 1883
Betula gracilis Ludwig 1861
Betula grandifolia Ettingshausen 1867
Betula heterodonta Newberry 1882
Betula iddingsi Knowlton 1899
Betula lutea Michaux 1811
Betula macclintockia Cramer 1868
Betula macrophylla Göppert 1859
Betula nigra Linnaeus 1753
Betula parcedentata Lesquereux 1883
Betula perantiqua Dawson 1882
Betula prenigra Berry 1916
Betula prisca Ettingshausen 1851
Betula schimperi Lesquereux 1888
Betula stevensonii Lesquereux 1878
+
Invalid names: Betula goepperti Lesquereux 1878 [synonym]
Betula truncata Lesquereux 1883
Betula vogdesii Lesquereux 1875
G. †Betulites Goeppert 1838
+
Betulites denticulata Heer 1866
Betulites populifolius Lesquereux 1891
Betulites rugosus Lesquereux 1891
Betulites snowii Lesquereux 1891
Betulites westii Lesquereux 1891
G. †Betuloxylon Kaiser 1880
G. †Carpinoxylon Vater 1884
+
Carpinoxylon pfefferi Platen 1907
G. Carpinus Linnaeus 1753 [hornbeam]
+
Carpinus attenuata Lesquereux 1883
Carpinus betuloides Unger 1845
Carpinus elkoana Lesquereux 1873
Carpinus fraterna Lesquereux 1883
Carpinus grandis Unger 1845
G. Corylus Linnaeus 1753 [hazel]
+
Corylus americana Walter 1788
Corylus fosteri Ward 1885
Corylus harrimani Knowlton 1904
Corylus orbiculata Newberry 1868
Corylus palachei Knowlton 1904
Corylus rostrata Aiton 1789
G. Ostrya Scopoli 1760 [hophornbeam]
+
Ostrya virginiana Miller 1768
Ostrya walkeri Heer 1887
Fm. Fagaceae Dumortier 1829
+
G. Castanea Miller 1754 [chestnut]
+
Castanea claibornensis Berry 1914
Castanea dolicophylla Cockerell 1908
Castanea intermedia Lesquereux 1878
Castanea pulchella Knowlton 1899
Castanea pumila Linnaeus 1753
G. Castanopsis Spach 1842 [chinquapin]
+
Castanopsis chrysophylloides Lesquereux 1878
G. †Dryophyllum Debey 1865
+
Dryophyllum amplum Berry 1916
Dryophyllum anomalum Berry 1916
Dryophyllum aquamarum Ward 1885
Dryophyllum bruneri Ward 1885
Dryophyllum crenatum Lesquereux 1875
Dryophyllum falcatum Ward 1885
Dryophyllum gracile Debey 1887
Dryophyllum longipetiolatum Knowlton 1899
Dryophyllum moorii Lesquereux 1869
Dryophyllum stanleyanum Dawson 1895
Dryophyllum subfalcatum Lesquereux 1875
+
Invalid names: Quercus gracilis Newberry 1882 [synonym]
G. †Fagophyllum Nathorst 1888
+
Fagophyllum nervosum Nathorst 1888
Fagophyllum retosum Dawson 1893
G. †Fagopsis Hollick 1909
+
Fagopsis longifolia Lesquereux 1872
G. Fagus Linnaeus 1753 [beech]
+
Fagus americana Sweet 1826
Fagus antipofii Abich 1858
Fagus cretacea Newberry 1868
Fagus deucalionis Unger 1882
Fagus feroniae Unger 1845
Fagus hitchcockii Lesquereux 1861
Fagus lambertensis Berry 1916
Fagus macrophylla Unger 1854
Fagus orbiculata Lesquereux 1891
Fagus papyracea Knowlton 1918
Fagus polycladus Lesquereux 1868
Fagus protonucifera Dawson 1882
Fagus pseudoferruginea Lesquereux 1878
Fagus undulata Knowlton 1899
G. Pasania Miquel 1855
+
Pasania densiflora Hooker and Arnott 1840
G. †Quercinium Unger 1842
+
Quercinium abromeiti Platen 1907
Quercinium anomalum Platen 1907
Quercinium knowltoni Felix 1896
Quercinium lamarense Knowlton 1899
Quercinium lesquereuxi Platen 1907
Quercinium solerederi Platen 1907
Quercinium wardi Platen 1907
G. †Quercophyllum Fontaine 1889
+
Quercophyllum wyomingense Fontaine 1899
G. Quercus Linnaeus 1753 [oak]
+
Quercus abnormalis Berry 1907
Quercus acuminata Michaux 1895
Quercus aemulans Lesquereux 1871
Quercus alaskana Trelease 1918
+
Invalid names: Quercus pandurata Heer 1868 [replaced]
Quercus alba Linnaeus 1753
Quercus alnoides Lesquereux 1891
Quercus antiqua Newberry 1868
Quercus aquamara Ward 1885
Quercus argentum Knowlton 1901
Quercus balaninorum Cockerell 1908
Quercus banksiaefolia Newberry 1863
Quercus baueri Knowlton 1916
Quercus berryi Trelease 1918
+
Invalid names: Quercus breweri Lesquereux 1883 [replaced]
Quercus bicornis Ward 1885
Quercus boweniana Lesquereux 1878
Quercus brevifolia Sargent 1895
Quercus carbonensis Ward 1885
+
Invalid names: Dryophyllum basidentatum Ward 1885 [synonym]
Quercus castaneopsis Lesquereux 1883
Quercus castanoides Newberry 1882
Quercus castanopsis Newberry 1882
Quercus catesbaeifolia Berry 1916
Quercus celastrifolia Lesquereux 1888
Quercus chamissonis Heer 1868
Quercus chapmani Sargent 1895
Quercus chapmanifolia Berry 1916
Quercus chrysolepis Liebmann 1854
Quercus cinereoides Lesquereux 1878
Quercus clarnensis Trelease 1918
+
Invalid names: Quercus affinis Newberry 1883 [replaced]
Quercus coloradensis Lesquereux 1888
Quercus competens Lesquereux 1875
Quercus consimilis Newberry 1883
Quercus convexa Lesquereux 1878
Quercus coriacea Newberry 1863
Quercus crossii Lesquereux 1887
Quercus culveri Knowlton 1899
Quercus dakotensis Lesquereux 1883
Quercus dallii Lesquereux 1882
Quercus dawsoni Knowlton 1898
Quercus dayana Knowlton 1902
Quercus dentoni Lesquereux 1883
Quercus dentonoides Knowlton 1900
Quercus digitata Sudworth 1892
Quercus distincta Lesquereux 1878
+
Invalid names: Quercus voyana Lesquereux 1878 [synonym]
Quercus doljensis Pilar 1883
+
Invalid names: Rhus pseudomeriani Lesquereux 1878 [synonym]
Quercus drymeja Unger 1847
Quercus dryophyllopsis Trelease 1918
+
Invalid names: Quercus latifolia Lesquereux 1875 [replaced]
Quercus dubia Newberry 1882
Quercus duriuscula Knowlton 1902
Quercus eamesi Trelease 1918
+
Invalid names: Quercus salicifolia Newberry 1868 [replaced]
Quercus elaena Unger 1847
Quercus elaenoides Lesquereux 1878
Quercus ellisiana Lesquereux 1872
+
Invalid names: Quercus pealei Lesquereux 1871 [synonym]
Quercus ellsworthianus Lesquereux 1868
Quercus eoprinoides Berry 1904
Quercus eucalyptifolia Ettingshausen 1883
+
Invalid names: Quercus chlorophylloides Knowlton 1898 [synonym]
Quercus evansii Lesquereux 1859
Quercus fisheriana Knowlton 1918
Quercus flexuosa Newberry 1863
Quercus florissantensis Cockerell 1908
+
Invalid names: Quercus pyrifolia Lesquereux 1883 [synonym]
Quercus fraxinifolia Lesquereux 1878
Quercus furcinervis Rossmässler 1883
Quercus furuhjelmi Heer 1868
Quercus gardneri Knowlton 1918
Quercus gaudini Lesquereux 1859
Quercus glascoena Lesquereux 1891
Quercus glennii Hollick 1906
Quercus godeti Heer 1856
Quercus goepperti Lesquereux 1878
Quercus goldianus Lesquereux 1873
Quercus groenlandica Heer 1868
Quercus grossidentata Knowlton 1899
Quercus haidingeri Ettingshausen 1851
Quercus hatcheri Knowlton 1906
+
Invalid names: Quercus cockerelli Trelease 1918 [objective synonym], Quercus montana Knowlton 1905 [replaced]
Quercus haydeni Lesquereux 1869
Quercus hesperia Knowlton 1899
Quercus hexagona Lesquereux 1868
Quercus hieracifolia Debey 1880
Quercus hollickii Berry 1903
Quercus holmesii Lesquereux 1883
+
Invalid names: Dryophyllum salicifolium Lesquereux 1874 [synonym]
Quercus hosiana Lesquereux 1891
Quercus idahoensis Knowlton 1898
Quercus imbricaria Michaux 1801
Quercus johnstrupi Heer 1883
Quercus judithae Knowlton 1905
Quercus kanseana Lesquereux 1874
+
Invalid names: Hamamelites kansaseanus Lesquereux 1874 [synonym]
Quercus knowltoniana Cockerell 1908
Quercus lambertensis Berry 1916
Quercus laurifolia Michaux 1801
Quercus lehmani Hollick 1904
Quercus lesquereuxiana Knowlton 1898
+
Invalid names: Quercus acrodon Lesquereux 1868 [replaced]
Quercus lonchitis Unger 1850
Quercus lyrata Walter 1788
Quercus lyratiformis Cockerell 1908
Quercus macrocarpa Michaux 1801
Quercus magnifolia Knowlton 1899
Quercus marylandica Du Roi 1772
Quercus michauxii Nuttall 1818
Quercus milleri Berry 1909
Quercus minor Marshall 1889
Quercus montanensis Knowlton 1900
Quercus morrisoniana Lesquereux 1883
Quercus multinervis Lesquereux 1859
Quercus negundoides Lesquereux 1871
Quercus neomexicana Knowlton 1918
Quercus nevadensis Lesquereux 1878
Quercus newberryi Trelease 1918
+
Invalid names: Quercus cuneata Newberry 1868 [replaced]
Quercus nigra Linnaeus 1753
Quercus novaecaesareae Hollick 1897
Quercus olafseni Heer 1868
Quercus oregoniana Knowlton 1902
Quercus osbornii Lesquereux 1883
Quercus palustris Münchhausen 1770
Quercus paucidentata Newberry 1882
Quercus payettensis Knowlton 1898
Quercus penhallowi Trelease 1918
+
Invalid names: Quercus laurifolia Newberry 1883 [replaced]
Quercus peritula Cockerell 1908
Quercus phellos Linnaeus 1753
Quercus platanoides Lamarck 1893
Quercus platinervis Lesquereux 1859
Quercus poranoides Lesquereux 1874
Quercus praedumosa Trelease 1918
+
Invalid names: Quercus turneri Knowlton 1900 [replaced]
Quercus praeundulata Trelease 1918
+
Invalid names: Quercus sinuata Newberry 1868 [replaced]
Quercus pratti Berry 1907
Quercus predigitata Berry 1907
Quercus previrginiana Berry 1916
Quercus primordialis Lesquereux 1868
Quercus prinoides Willdenow 1801
Quercus prinus Linnaeus 1753
Quercus pseudoalba Hollick 1906
Quercus pseudoalnus Ettingshausen 1852
Quercus pseudocastanea Göppert 1853
Quercus pseudochrysophylla Lesquereux 1878
Quercus pseudolyrata Lesquereux 1878
Quercus ramaleyi Cockerell 1906
Quercus raritanensis Berry 1909
Quercus ratonensis Knowlton 1918
Quercus rhamnoides Lesquereux 1891
Quercus rockvalensis Knowlton 1918
Quercus rubra Linnaeus 1753
Quercus scudderi Knowlton 1916
Quercus serra Unger 1847
Quercus severnensis Berry 1910
Quercus simplex Newberry 1882
Quercus simulata Knowlton 1898
Quercus spurioilex Knowlton 1891
Quercus stantoni Knowlton 1917
Quercus stramineus Lesquereux 1872
Quercus sullyi Newberry 1883
Quercus sumterensis Berry 1914
Quercus suspecta Lesquereux 1891
Quercus transgressus Lesquereux 1878
Quercus ursina Knowlton 1902
Quercus valdensis Heer 1856
Quercus vancouveriana Trelease 1918
+
Invalid names: Dryophyllum elongatum Dawson 1893 [synonym], Dryophyllum neillianum Dawson 1893 [synonym], Quercus occidentalis Dawson 1893 [replaced]
Quercus velutina Lamarck 1785
Quercus viburnifolia Lesquereux 1878
Quercus victoriae Dawson 1882
Quercus virginiana Miller 1768
Quercus wardiana Lesquereux 1891
Quercus washingtonensis Trelease 1918
+
Invalid names: Quercus elliptica Newberry 1863 [replaced]
Quercus weedii Knowlton 1899
Quercus whitei Lesquereux 1888
Quercus wyomingiana Lesquereux 1872
Quercus yanceyi Knowlton 1899
G. †Fontainea Newberry 1895
+
Fontainea grandifolia Newberry 1895
Or. Gentianales Berchtold and Presl 1820
+
Fm. Apocynaceae de Jussieu 1789 [dogbane]
+
G. †Apocynophyllum Unger 1850
+
Apocynophyllum lesquereuxii Ettingshausen 1883
Apocynophyllum linifolium Knowlton 1917
Apocynophyllum pealii Ettingshausen 1883
Apocynophyllum scudderi Lesquereux 1883
Apocynophyllum sordidum Lesquereux 1891
Apocynophyllum tabellarum Lesquereux 1869
G. †Echitonium Unger 1839
+
Echitonium lanceolatum Ettingshausen 1883
Echitonium sophiae Weber 1852
Fm. †Asclepiadaceae Borkhausen
+
G. Acerates Elliott 1817
+
Acerates amboyensis Berry 1909
Acerates fructifer Cockerell 1908
G. Periploca Linnaeus 1753 [silk vine]
+
Periploca cretacea Hollick 1906
Fm. †Menyanthaceae von Berchtold and Presl 1829
+
G. Menyanthes Linnaeus 1753 [bogbean]
+
Menyanthes coloradensis Cockerell 1908
Menyanthes trifoliata Linnaeus 1753
Or. †Geraniales Jussieu 1820
+
Fm. Euphorbiaceae Jussieu 1789 [spurge]
+
G. Acalypha Linnaeus 1753
+
Acalypha myricina Cockerell 1909
G. Croton Linnaeus 1753 [rushfoil]
+
Croton furcatulum Cockerell 1909
G. †Crotonophyllum Velenovsky 1889
+
Crotonophyllum cretaceum Velenovsky 1889
G. Drypetes Vahl 1807
+
Drypetes prekeyensis Berry 1916
G. †Euphorbiophyllum Ettingshausen 1853
+
G. †Euphorbocarpum Knowlton 1917
+
Euphorbocarpum richardsoni Knowlton 1917
G. Tithymalus Adanson 1763
+
Tithymalus phenacodorum Cockerell 1914
Tithymalus willistoni Cockerell 1909
Fm. †Humiriaceae de Jussieu 1829
+
G. Vantanea Aublet 1775
+
Vantanea wilcoxiana Berry 1916
Fm. †Malpighiaceae de Jussieu 1789
+
G. Banisteria Linnaeus 1753
+
Banisteria fructuosa Berry 1916
Banisteria wilcoxiana Berry 1916
G. Hiraea Jacquin 1763
+
Hiraea wilcoxiana Berry 1916
Fm. Meliaceae de Jussieu 1789 [mahogany]
+
G. Carapa Aublet 1775
+
Carapa eolignitica Berry 1916
Carapa xylocarpoides Berry 1917
G. Cedrela Browne 1756
+
Cedrela odoratifolia Berry 1916
Cedrela puryearensis Berry 1916
Cedrela wilcoxiana Berry 1916
G. Melia Linnaeus 1753
+
Melia expulsa Cockerell 1908
Fm. Rutaceae de Jussieu 1789 [citrus]
+
G. †Citrophyllum Berry 1911
+
Citrophyllum aligerum Lesquereux 1892
G. Fagara Linnaeus 1759
+
Fagara delicatula Cockerell 1908
Fagara diversifolia Lesquereux 1878
Fagara eocenica Berry 1916
Fagara hurleyensis Berry 1916
Fagara puryearensis Berry 1916
Fagara spireaefolia Lesquereux 1883
G. Ptelea Linnaeus 1753 [hoptree]
+
Ptelea modesta Lesquereux 1883
+
Invalid names: Leguminosites serrulatus Lesquereux 1883 [synonym]
G. Zanthoxylum Linnaeus 1753 [prickly ash]
+
Zanthoxylum dubium Lesquereux 1871
Fm. †Simarubaceae de Candolle 1811
+
G. †Ailanthophyllum Dawson 1890
+
Ailanthophyllum incertum Dawson 1890
G. Ailanthus Desfontaines 1786
+
Ailanthus americana Cockerell 1908
Ailanthus longepetiolata Lesquereux 1883
Ailanthus ovata Lesquereux 1883
G. Simarouba Aublet 1775
+
Simarouba eocenica Berry 1916
G. †Simarubinium Platen 1908
+
Simarubinium engelhardti Platen 1907
+
Fm. Juglandaceae Perleb 1818
+
G. Carya Nuttall 1818 [hickory]
G. Cryptocarya Brown 1810
+
Cryptocarya eolignitica Hollick 1899
G. Engelhardtia Blume 1825
G. Hicoria Rafinesque-Schmaltz 1808
+
Hicoria alba Nuttall 1818
Hicoria antiquora Newberry 1868
Hicoria biacuminata Perkins 1904
Hicoria crescentia Knowlton 1899
Hicoria culveri Knowlton 1899
Hicoria elaenoides Unger 1850
Hicoria juglandiformis Sternberg 1825
+
Invalid names: Carya bilinica Unger 1850 [synonym]
Hicoria magnifica Knowlton 1904
Hicoria oregoniana Knowlton 1902
Hicoria pretexana Berry 1916
Hicoria princetonia Cockerell 1908
Hicoria pseudoglabra Hollick 1906
Hicoria rostrata Göppert 1861
Hicoria verrucosa Lesquereux 1861
G. †Hicoroides Perkins 1904
+
Hicoroides angulata Perkins 1904
Hicoroides ellipsoidea Perkins 1904
Hicoroides globulus Perkins 1904
Hicoroides levis Perkins 1904
Hicoroides parva Perkins 1904
Hicoroides triangularis Perkins 1904
G. †Juglandiphyllum Fontaine 1889
+
G. †Juglandites Sternberg 1825
+
Juglandites cretacea Dawson 1885
Juglandites ellsworthianus Lesquereux 1891
Juglandites fallax Dawson 1893
Juglandites lacoei Lesquereux 1891
Juglandites primordialis Lesquereux 1891
Juglandites sinuatus Lesquereux 1891
G. Juglans Linnaeus 1753 [walnut]
+
Juglans acuminata Braun 1845
Juglans affinis Kirchner 1898
Juglans alkalina Lesquereux 1875
Juglans appressa Lesquereux 1869
Juglans arctica Heer 1882
Juglans baltica Heer 1882
Juglans bendirei Knowlton 1902
Juglans berryi Knowlton 1916
Juglans brandonianus Perkins 1904
Juglans cinerea Linnaeus 1753
Juglans coloradensis Lesquereux 1918
Juglans crassifolia Knowlton 1902
Juglans crassipes Heer 1869
Juglans crescentia Knowlton 1899
Juglans crossii Knowlton 1898
+
Invalid names: Juglans denticulata Heer 1869 [replaced]
Juglans cryptata Knowlton 1902
Juglans debeyana Heer 1866
Juglans dentata Newberry 1882
Juglans egregia Lesquereux 1878
Juglans elongata Hollick 1906
Juglans florissanti Lesquereux 1883
Juglans harwoodensis Dawson 1882
Juglans laurifolia Knowlton 1899
Juglans laurinea Lesquereux 1878
Juglans leconteana Lesquereux 1870
Juglans leonis Cockerell 1908
+
Invalid names: Juglans californica Lesquereux 1878 [replaced]
Juglans magnifica Knowlton 1916
Juglans minutidens Knowlton 1918
Juglans missouriensis Knowlton 1900
Juglans nigella Heer 1869
Juglans nigra Linnaeus 1753
Juglans obtusifolia Heer 1859
Juglans occidentalis Newberry 1882
Juglans oregoniana Lesquereux 1878
+
Invalid names: Juglans hesperia Knowlton 1898 [synonym]
Juglans picroides Heer 1869
Juglans rhamnoides Lesquereux 1871
Juglans rugosa Lesquereux 1868
Juglans saffordiana Lesquereux 1869
Juglans sapindiformis Knowlton 1918
Juglans sapindoides Knowlton 1918
Juglans schimperi Lesquereux 1871
Juglans sepultus Cockerell 1908
+
Invalid names: Juglandites costatus Presl 1833 [synonym]
Juglans similis Knowlton 1918
Juglans thermalis Lesquereux 1871
Juglans townsendi Knowlton 1894
Juglans ungeri Heer 1859
Juglans vetusta Heer 1859
Juglans woodiana Heer 1865
G. †Praeengelhardtia Berry 1916
+
G. Pterocarya Kunth 1824 [wingnut]
+
Pterocarya americana Lesquereux 1873
Pterocarya denticulata Weber 1852
G. †Liriophyllum Lesquereux 1878
+
Liriophyllum beckwithii Lesquereux 1878
Liriophyllum obcordatum Lesquereux 1883
Liriophyllum populoides Lesquereux 1876
Or. Malvales Berchtold and Presl 1820
+
Fm. †Bombaceae Kunth
+
G. †Bombacites Berry 1916
+
Bombacites formosus Berry 1916
Bombacites wilcoxianus Berry 1916
G. Bombax Linnaeus 1753 [cotton tree]
+
Bombax virginiensis Fontaine 1889
+
G. Buettneria Löfling 1758
+
Buettneria perplexans Cockerell 1908
Fm. Malvaceae de Jussieu 1789 [mallow]
+
G. Malvastrum Gray 1848
+
Malvastrum exhumatum Cockerell 1906
G. †Manihotites Berry 1910
+
Manihotites georgiana Berry 1910
Fm. Sterculiaceae Ventenat 1807
+
G. †Pterospermites Heer 1859
+
Pterospermites alaskana Knowlton 1904
Pterospermites cupanioides Newberry 1868
Pterospermites grandidentatus Lesquereux 1888
Pterospermites haguei Knowlton 1899
Pterospermites longeacuminatus Lesquereux 1891
Pterospermites magnifolia Knowlton 1904
Pterospermites minor Ward 1885
Pterospermites modestus Lesquereux 1891
Pterospermites neomexicanus Knowlton 1916
Pterospermites nervosus Knowlton 1918
Pterospermites obovatus Newberry 1896
Pterospermites undulatus Knowlton 1900
Pterospermites wardii Knowlton 1900
Pterospermites whitei Ward 1885
G. Sterculia Linnaeus 1753 [tropical chestnut]
+
Sterculia aperta Lesquereux 1883
Sterculia berryana Knowlton 1918
Sterculia coriacea Knowlton 1918
Sterculia elegans Fontaine 1889
Sterculia engleri Kirchner 1898
Sterculia lineariloba Lesquereux 1874
Sterculia lugubris Lesquereux 1883
Sterculia minima Berry 1906
Sterculia mucronata Lesquereux 1891
Sterculia prelabrusca Hollick 1906
Sterculia puryearensis Berry 1916
Sterculia reticulata Lesquereux 1891
Sterculia rigida Lesquereux 1883
Sterculia saportanea Knowlton 1898
Sterculia snowii Lesquereux 1891
+
Invalid names: Sterculia drakei Cummins 1891 [synonym]
Sterculia tripartita Lesquereux 1874
+
Invalid names: Sterculia obtusiloba Lesquereux 1883 [synonym]
Sterculia vetustula Dawson 1885
Invalid names: Sterculites Dawson 1888 [synonym]
G. †Sterculiocarpus Berry 1916
+
Fm. Tiliaceae de Jussieu
+
G. †Apeibopsis Heer 1859
+
Apeibopsis cyclophylla Lesquereux 1891
Apeibopsis discolor Lesquereux 1872
Apeibopsis gaudini Heer 1859
Apeibopsis heerii Lesquereux 1861
Apeibopsis neomexicana Knowlton 1917
Apeibopsis parva Perkins 1904
G. Grewia Linnaeus 1753
+
Grewia auriculata Lesquereux 1883
Grewia celastroides Ward 1885
Grewia crenata Unger 1855
Grewia obovata Heer 1876
Grewia pealei Ward 1885
G. †Grewiopsis Saporta 1865
+
Grewiopsis acuminata Lesquereux 1887
Grewiopsis aequidentata Lesquereux 1891
Grewiopsis aldersoni Knowlton 1899
Grewiopsis cleburni Lesquereux 1875
Grewiopsis eocenica Lesquereux 1872
+
Invalid names: Grewiopsis ficifolia Ward 1885 [synonym], Grewiopsis saportanea Lesquereux 1878 [synonym]
Grewiopsis flabellata Lesquereux 1868
+
Invalid names: Grewiopsis haydenii Lesquereux 1874 [synonym], Populites fagifolia Lesquereux 1872 [synonym]
Grewiopsis formosa Berry 1919
Grewiopsis mudgei Lesquereux 1891
Grewiopsis populifolia Knowlton 1919
Grewiopsis tenuifolia Lesquereux 1878
Grewiopsis walcotti Lesquereux 1887
G. Tilia Linnaeus 1753 [linden]
+
Tilia alaskana Heer 1869
Tilia americana Linnaeus 1753
Tilia dubia Newberry 1895
Tilia populifolia Lesquereux 1883
Tilia speciosissima Knowlton 1918
Tilia weedii Knowlton 1902
Or. Myrtales Jussieu 1820
+
Fm. †Combretaceae Brown 1810
+
G. †Combretanthites Berry 1913
+
G. †Combretum Löfling 1763 [bushwillow]
+
Combretum obovalis Berry 1916
Combretum ovalis Lesquereux 1869
Combretum wilcoxensis Berry 1916
G. †Conocarpites Berry 1919
+
Conocarpites formosus Berry 1919
G. Conocarpus Linnaeus 1753
+
Conocarpus eocenica Berry 1914
G. Laguncularia Gaertner 1807
+
G. Terminalia Linnaeus 1767
+
Terminalia wilcoxiana Berry 1916
Fm. †Haloragidaceae Brown
+
G. Hippuris Linnaeus 1753 [mare's tail]
+
Hippuris vulgaris Linnaeus 1753
Fm. †Melastomaceae de Jussieu 1789
+
G. †Melastomites Unger 1850
+
Fm. Myrtaceae de Jussieu 1789 [myrtle]
+
G. †Callistemophyllum Ettingshausen 1853
+
Callistemophyllum heerii Ettingshausen 1867
Callistemophyllum latum Dawson 1889
G. Calyptranthes Swartz 1788
+
Calyptranthes eocenica Berry 1916
G. †Eucalyptophyllum Fontaine 1889
+
G. Eucalyptus L'Héritier de Brutelle 1789 [eucalyptus]
+
Eucalyptus americana Lesquereux 1873
Eucalyptus angusta Velenovsky 1885
Eucalyptus attenuata Newberry 1895
Eucalyptus dakotensis Lesquereux 1891
Eucalyptus geinitzi Heer 1869
+
Invalid names: Eucalyptus angustifolia Newberry 1895 [synonym], Myrtophyllum warderi Lesquereux 1891 [synonym]
Eucalyptus gouldii Ward 1897
Eucalyptus latifolia Hollick 1906
+
Invalid names: Eucalyptus nervosa Newberry 1895 [synonym]
Eucalyptus parvifolia Newberry 1895
Eucalyptus schuebleri Heer 1869
Eucalyptus wardiana Berry 1905
G. Eugenia Linnaeus 1753
+
Eugenia anceps Berry 1916
Eugenia grenadensis Berry 1916
Eugenia hilgardiana Berry 1916
Eugenia primaeva Lesquereux 1891
Eugenia puryearensis Berry 1916
Eugenia tuscaloosensis Berry 1919
G. Myrcia De Candolle 1828
+
Myrcia bentonensis Berry 1916
Myrcia granadensis Berry 1916
Myrcia parvifolia Berry 1916
Myrcia puryearensis Berry 1916
Myrcia vera Berry 1916
Myrcia worthenii Lesquereux 1869
G. Myrtus Linnaeus 1753 [myrtle]
+
Myrtus oregonensis Lesquereux 1883
Fm. Rhizophoraceae Persoon 1807
+
G. Rhizophora Linnaeus 1753 [true mangrove]
+
Rhizophora eocenica Berry 1914
Invalid names: Hydrocaryaceae [empty]
G. †Palaeanthus Newberry 1895
+
Palaeanthus problematicus Newberry 1895
+
Fm. Capparidaceae de Jussieu [caper]
+
G. Capparis Linnaeus 1753
G. †Capparites Berry 1919
+
Capparites orbicularis Berry 1919
Or. †Parietales
+
Fm. †Dilleniaceae Salisbury 1807
+
G. †Dillenites Berry 1916
+
Dillenites microdentatus Hollick 1899
Dillenites ovatus Berry 1916
Dillenites serratus Berry 1916
Dillenites texensis Berry 1916
Fm. †Passifloraceae de Candolle 1806
+
G. Passiflora Linnaeus 1753
+
Passiflora antiqua Newberry 1895
G. †Phyllites Brongniart 1822
+
Phyllites aceroides Heer 1868
Phyllites amissus Lesquereux 1891
Phyllites amorphus Lesquereux 1868
Phyllites arctica Knowlton 1894
Phyllites aristolochiaeformis Lesquereux 1891
Phyllites asplenioides Berry 1919
Phyllites aurantiacus Knowlton 1918
Phyllites betulaefolius Lesquereux 1869
Phyllites bifurcies Knowlton 1902
Phyllites carneosus Newberry 1868
Phyllites castalioides Knowlton 1918
Phyllites celatus Lesquereux 1891
Phyllites cockerelli Knowlton 1916
Phyllites coriaceus Newberry 1861
Phyllites crassifolia Knowlton 1899
Phyllites cyclophylla Lesquereux 1873
Phyllites dentata Knowlton 1917
Phyllites denticulatus Knowlton 1918
Phyllites durescens Lesquereux 1891
Phyllites erosus Lesquereux 1891
Phyllites ficifolia Knowlton 1917
Phyllites flexuosus Knowlton 1898
Phyllites fraxineus Lesquereux 1887
Phyllites fremonti Unger 1850
Phyllites ilicifolius Lesquereux 1891
Phyllites improbatus Lesquereux 1878
+
Invalid names: Rhizocaulon gracile Lesquereux 1873 [synonym]
Phyllites inexpectans Knowlton 1902
Phyllites innectens Lesquereux 1891
Phyllites intricata Knowlton 1918
Phyllites lacoei Lesquereux 1891
Phyllites latifolius Fontaine 1889
Phyllites laurencianus Lesquereux 1891
Phyllites mimusopsoides Lesquereux 1887
Phyllites nanus Knowlton 1918
Phyllites neomexicanus Knowlton 1916
Phyllites obscurus Hollick 1895
Phyllites oregonianus Knowlton 1902
Phyllites payettensis Knowlton 1898
+
Invalid names: Phyllites obscurus Knowlton 1898 [replaced]
Phyllites perplexus Lesquereux 1891
Phyllites personatus Knowlton 1902
Phyllites petiolatus Knowlton 1916
Phyllites poinsettioides Hollick 1892
Phyllites populoides Knowlton 1918
Phyllites protophylloides Knowlton 1918
Phyllites ratonensis Knowlton 1918
Phyllites retusoides Knowlton 1918
Phyllites rhoifolius Lesquereux 1868
Phyllites rhomboideus Lesquereux 1868
Phyllites rosaefolius Knowlton 1918
Phyllites sapindiformis Lesquereux 1878
Phyllites sapindus Knowlton 1918
Phyllites saundersi Knowlton 1904
Phyllites shirleyensis Berry 1919
Phyllites snowii Lesquereux 1891
Phyllites stipulaeformis Lesquereux 1891
Phyllites sulcatus Lesquereux 1868
Phyllites trapaformis Berry 1911
Phyllites umbonatus Lesquereux 1868
Phyllites undulatus Newberry 1895
Phyllites vanonae Heer 1866
Phyllites venosissimus Newberry 1861
Phyllites vermejoensis Knowlton 1918
Phyllites walsenburgensis Knowlton 1918
Phyllites wascoensis Lesquereux 1888
Phyllites zamiaeformis Lesquereux 1891
Or. Piperales von Berchtold and Presl 1820
+
Fm. Piperaceae Giseke 1792 [pepper]
+
G. Piper Linnaeus 1753
+
Piper heerii Lesquereux 1888
G. †Piperites Göppert 1854
+
G. †Premnophyllum Velenovsky 1884
+
Premnophyllum trigonum Velenovsky 1884
Or. †Primulales
+
Fm. †Myrsinaceae Brown
+
G. Icacorea Aublet 1775
+
Icacorea prepaniculata Berry 1916
G. Myrsine Linnaeus 1753
+
Myrsine borealis Heer 1882
Myrsine gaudini Lesquereux 1892
+
Invalid names: Myrsine elongata Hollick 1894 [synonym]
Myrsine laminarum Cockerell 1908
+
Invalid names: Myrsine latifolia Lesquereux 1883 [replaced]
Myrsine oblongata Hollick 1895
Fm. Primulaceae Borkhausen 1797 [primrose]
+
G. Lysimachia Linnaeus 1753 [loosestrife]
G. †Proteaephyllum Fontaine 1889
+
Proteaephyllum californicum Fontaine 1905
Proteaephyllum ovatum Fontaine 1889
+
Invalid names: Proteaephyllum ellipticum Fontaine 1889 [synonym], Proteaephyllum tenuinerve Fontaine 1889 [synonym]
Proteaephyllum reniforme Fontaine 1889
+
Invalid names: Phyllites pachyphyllus Fontaine 1889 [synonym], Proteaephyllum orbiculare Fontaine 1889 [synonym]
Or. Proteales Jussieu 1829
+
Fm. Proteaceae de Jussieu 1789
+
G. Banksia Linnaeus 1782
+
Banksia puryearensis Berry 1916
Banksia pusilla Velenovsky 1883
Banksia saffordi Lesquereux 1859
Banksia tenuifolia Berry 1916
G. †Banksites Saporta 1863
+
Banksites lineatus Lesquereux 1883
Banksites saportanus Velenovsky 1883
G. †Dryandroides Unger 1850
+
Dryandroides cleburni Lesquereux 1873
Dryandroides lanceolata Knowlton 1917
Dryandroides quercinea Velenovsky 1883
G. †Embothriopsis Hollick 1912
+
Embothriopsis presagita Hollick 1912
G. †Embothrites Unger 1850
+
Embothrites daphneoides Lesquereux 1874
G. Lomatia Brown 1810
+
Lomatia abbreviata Lesquereux 1883
Lomatia acutiloba Lesquereux 1883
Lomatia interrupta Lesquereux 1883
Lomatia microphylla Lesquereux 1875
Lomatia saportanea Lesquereux 1874
Lomatia terminalis Lesquereux 1883
Lomatia tripartita Lesquereux 1883
G. †Lomatites Saporta 1862
+
Lomatites hakeaefolia Lesquereux 1883
+
Invalid names: Carduus florissantensis Cockerell 1906 [synonym]
Lomatites spinosa Lesquereux 1883
G. †Macclintockia Heer 1866
+
Macclintockia lyallii Heer 1868
G. †Palaeodendron Saporta 1862
+
G. Persoonia Smith 1798 [geebung]
+
Persoonia lesquereuxii Knowlton 1891
Persoonia oviformis Lesquereux 1859
Persoonia spatulata Hollick 1895
G. †Proteoides Heer and Capellini 1867
+
Proteoides acuta Heer 1866
Proteoides major Dawson 1893
Proteoides neillii Dawson 1893
Proteoides parvula Berry 1914
Proteoides wilcoxensis Berry 1916
Or. †Rhamnales
+
Fm. Rhamnaceae Jussieu 1789 [buckthorn]
+
G. Berchemia Necker and de Candolle 1825
+
Berchemia multinervis Heer 1868
+
Invalid names: Berchemia parvifolia Lesquereux 1868 [synonym]
Berchemia priscaformis Berry 1916
G. Ceanothus Linnaeus 1753 [ceanothus]
+
Ceanothus americanus Linnaeus 1753
Ceanothus constrictus Hollick 1906
Ceanothus cretaceus Dawson 1882
G. †Eorhamnidium Berry 1919
+
Eorhamnidium cretaceum Berry 1919
Eorhamnidium platyphylloides Lesquereux 1891
G. Paliurus Miller 1768
+
Paliurus affinis Heer 1892
Paliurus anceps Lesquereux 1891
Paliurus angustus Berry 1916
Paliurus colombi Heer 1868
Paliurus coloradensis Lesquereux 1888
Paliurus cretaceus Lesquereux 1891
Paliurus florissanti Lesquereux 1873
Paliurus haydeni Cockerell 1908
Paliurus integrifolius Hollick 1894
Paliurus minimus Knowlton 1899
Paliurus montanus Dawson 1885
Paliurus neillii Dawson 1893
Paliurus obovatus Lesquereux 1891
Paliurus ovalis Dawson 1885
Paliurus pealei Ward 1885
Paliurus pinsonensis Berry 1916
Paliurus populiferus Berry 1906
Paliurus pulcherrimus Ward 1885
Paliurus upatoiensis Berry 1914
Paliurus zizyphoides Lesquereux 1878
G. Reynosia Grisebach 1866
+
Reynosia praenuntia Berry 1916
Reynosia texana Penhallow 1907
Reynosia wilcoxiana Berry 1916
G. †Rhamnacinium Felix 1894
+
Rhamnacinium porcupinianum Penhallow 1903
Rhamnacinium radiatum Felix 1896
Rhamnacinium texanum Penhallow 1907
Rhamnacinium triseriatum Penhallow 1903
G. †Rhamnites Forbes 1851
+
Rhamnites apiculatus Lesquereux 1891
Rhamnites concinnus Newberry 1868
Rhamnites minor Hollick 1895
G. Rhamnus Linnaeus 1753 [buckthorn]
+
Rhamnus acuta Heer 1882
Rhamnus alaternoides Heer 1859
Rhamnus californica Eschscholtz 1849
Rhamnus cleburni Lesquereux 1872
Rhamnus coushatta Berry 1916
Rhamnus dechenii Weber 1852
Rhamnus deformatus Lesquereux 1883
Rhamnus deletus Heer 1871
Rhamnus eoligniticus Berry 1916
Rhamnus eorectinervis Knowlton 1919
Rhamnus eridani Unger 1850
Rhamnus fischeri Lesquereux 1871
Rhamnus florissantensis Cockerell 1908
+
Invalid names: Rhamnus oleaefolius Lesquereux 1883 [replaced]
Rhamnus gaudini Heer 1859
Rhamnus goldianus Lesquereux 1872
Rhamnus inaequilateralis Lesquereux 1892
Rhamnus kirchneri Cockerell 1906
Rhamnus lesquereuxi Berry 1918
Rhamnus marginatus Lesquereux 1860
Rhamnus meriani Heer 1873
Rhamnus mudgei Lesquereux 1891
Rhamnus novaecaesareae Berry 1903
Rhamnus obovatus Lesquereux 1868
Rhamnus purshiana De Candolle 1860
Rhamnus puryearensis Berry 1916
Rhamnus quilchensis Penhallow 1908
Rhamnus revoluta Lesquereux 1891
Rhamnus salicifolius Lesquereux 1868
Rhamnus similis Lesquereux 1891
Rhamnus tenax Lesquereux 1868
Rhamnus washakiensis Cockerell 1908
+
Invalid names: Rhamnus intermedius Lesquereux 1871 [replaced]
Rhamnus williardi Knowlton 1916
Rhamnus woottonensis Knowlton 1918
G. Zizyphus Miller 1758
+
Zizyphus beckwithii Lesquereux 1883
Zizyphus cinnamomoides Lesquereux 1871
Zizyphus dakotensis Lesquereux 1891
Zizyphus distortus Lesquereux 1873
Zizyphus elegans Hollick 1894
Zizyphus falcatus Berry 1916
Zizyphus lamarensis Berry 1912
Zizyphus laurifolius Berry 1914
Zizyphus lesquereuxii Knowlton 1898
Zizyphus lewisiana Hollick 1894
Zizyphus longifolia Newberry 1882
Zizyphus meekii Lesquereux 1872
Zizyphus meigsii Lesquereux 1869
Zizyphus oblongus Hollick 1906
Zizyphus obtusa Kirchner 1898
Zizyphus paliurifolius Knowlton 1918
Zizyphus piperoides Lesquereux 1878
Zizyphus serrulatus Ward 1885
Zizyphus townsendi Knowlton 1894
G. †Rogersia Fontaine 1889
+
Rogersia angustifolia Fontaine 1889
+
Invalid names: Saliciphyllum longifolium Fontaine 1889 [synonym]
Rogersia longifolia Fontaine 1889
+
Invalid names: Sapindopsis elliptica Fontaine 1889 [synonym]
Or. Rosales Berchtold and Presl 1820
+
Subfm. †Caesalpiniaceae
+
G. Caesalpinia Linnaeus 1753
+
Caesalpinia cookiana Hollick 1895
Caesalpinia wilcoxiana Berry 1916
G. †Caesalpinites Saporta 1862
+
G. Canavalia Adanson 1763 [jack-beans]
+
Canavalia acuminata Berry 1916
Canavalia eocenica Berry 1916
G. Cassia Linnaeus 1753
+
Cassia bentonensis Berry 1916
Cassia emarginata Berry 1916
Cassia eolignitica Berry 1916
Cassia fayettensis Berry 1916
Cassia fisheriana Knowlton 1918
Cassia georgiana Berry 1918
Cassia glenni Berry 1916
Cassia idahoensis Knowlton 1919
+
Invalid names: Cassia obtusa Knowlton 1898 [replaced]
Cassia insularis Hollick 1912
Cassia lowii Berry 1916
Cassia marshallensis Berry 1916
Cassia polita Lesquereux 1891
Cassia problematica Lesquereux 1891
Cassia puryearensis Berry 1916
Cassia richardsoni Knowlton 1918
Cassia sapindoides Knowlton 1918
Cassia tennesseensis Berry 1916
Cassia toraformis Berry 1916
Cassia vaughani Berry 1919
Cassia wilcoxiana Berry 1916
G. †Cercidoxylon Platen 1908
+
Cercidoxylon zirkeli Platen 1908
G. Cercis Linnaeus 1753 [redbud]
+
Cercis borealis Newberry 1882
Cercis canadensis Linnaeus 1753
Cercis eocenica Lesquereux 1872
Cercis nevadensis Knowlton 1901
Cercis parvifolia Lesquereux 1883
Cercis truncata Lesquereux 1883
Cercis wilcoxiana Berry 1916
G. Gleditsia Linnaeus 1753
+
Gleditsia donensis Penhallow 1907
Gleditsia triacanthos Linnaeus 1753
G. Hymenaea Linnaeus 1753
+
Hymenaea dakotana Lesquereux 1891
Hymenaea fayettensis Berry 1919
Hymenaea primigenia Saporta 1879
Hymenaea virginiensis Fontaine 1889
G. †Palaeocassia Ettingshausen 1867
+
Palaeocassia laurinea Lesquereux 1891
Fm. Cunoniaceae Brown 1814
+
G. Weinmannia Linnaeus 1759
+
Weinmannia dubiosa Cockerell 1908
+
Invalid names: Weinmannia rosaefolia Lesquereux 1873 [replaced]
Weinmannia haydenii Lesquereux 1873
+
Invalid names: Weinmannia phenacophylla Cockerell 1908 [synonym]
Weinmannia integrifolia Lesquereux 1883
Weinmannia lesquereuxi Cockerell 1908
Weinmannia obtusifolia Lesquereux 1883
+
G. Amygdalus Linnaeus 1753
+
Amygdalus gracilis Lesquereux 1883
G. †Padus Mönch 1794
+
Padus demissa Nuttall 1911
G. †Pruninium Platen 1908
+
Pruninium gummosum Platen 1908
G. †Prunoides Perkins 1904
+
Prunoides bursaeformis Lesquereux 1861
Prunoides inequalis Perkins 1906
Prunoides seelyi Perkins 1904
G. Prunus Linnaeus 1753 [plum]
+
Prunus acutifolia Newberry 1895
Prunus antecedens Lesquereux 1891
Prunus coloradensis Knowlton 1918
Prunus cretacea Lesquereux 1868
Prunus dakotensis Lesquereux 1883
Prunus merriami Knowlton 1902
Prunus nabortensis Berry 1916
Prunus tufacea Knowlton 1902
Prunus variabilis Newberry 1882
Fm. †Grossulariaceae de Candolle 1805
+
G. Grossularia Adanson 1763
+
G. Ribes Linnaeus 1753 [currant]
+
Ribes florissanti Knowlton 1916
Ribes neomexicana Knowlton 1916
Ribes protomelaenum Cockerell 1908
Fm. Hamamelidaceae Brown 1818 [witch-hazel]
+
G. †Hamamelites Saporta 1865
+
Hamamelites cordatus Lesquereux 1883
Hamamelites quadrangularis Lesquereux 1868
Hamamelites quercifolius Lesquereux 1883
Hamamelites tenuinervis Lesquereux 1883
G. Liquidambar Linnaeus 1753 [sweetgum]
+
Liquidambar californicum Lesquereux 1878
Liquidambar convexum Cockerell 1908
Liquidambar cucharas Knowlton 1918
Liquidambar europaeum Braun 1836
+
Invalid names: Acerites pristinus Newberry 1868 [synonym], Liquidambar integrifolium Lesquereux 1868 [synonym]
Liquidambar pachyphyllum Knowlton 1902
Liquidambar protensum Unger 1888
G. Parrotia Meyer 1831 [ironwood]
+
Parrotia canfieldi Lesquereux 1891
Parrotia cuneata Newberry 1882
Parrotia grandidentata Lesquereux 1891
Parrotia winchelli Lesquereux 1891
Fm. †Leguminosae de Jussieu
+
G. Bauhinia Linnaeus 1753
+
Bauhinia alabamensis Berry 1910
Bauhinia cretacea Newberry 1886
Bauhinia gigantea Newberry 1895
Bauhinia marylandica Berry 1908
Bauhinia pseudocotyledon Cockerell 1909
Bauhinia ripleyensis Berry 1916
G. Colutea Linnaeus 1753
+
Colutea boweniana Lesquereux 1883
Colutea obovata Berry 1906
Colutea primordialis Heer 1882
Colutea speciosa Knowlton 1918
G. Cytisus Desfontaines 1798
+
Cytisus florissantianus Lesquereux 1883
G. Phaca Linnaeus 1753
+
Phaca wilmattae Cockerell 1908
G. †Podogonium Heer 1859
+
Podogonium acuminatum Lesquereux 1883
Podogonium americanum Lesquereux 1878
+
Invalid names: Cassia podogonioides Ettingshausen 1883 [synonym]
Podogonium virginianum Berry 1909
Fm. Mimosaceae Brown 1814
+
G. Acacia Miller 1758 [wattle]
+
Acacia lamarensis Knowlton 1899
Acacia macrosperma Knowlton 1899
Acacia oregoniana Lesquereux 1888
Acacia septentrionalis Lesquereux 1873
Acacia wardii Knowlton 1899
Acacia wilcoxensis Berry 1916
G. †Acaciaephyllum Fontaine 1889
+
Acaciaephyllum ellipticum Fontaine 1905
Acaciaephyllum pachyphyllum Fontaine 1905
G. †Acaciaphyllites Berry 1914
+
G. Inga Scopoli 1777
+
Inga cretacea Lesquereux 1891
Inga heterophylla Knowlton 1918
Inga laurinafolia Berry 1916
Inga mississippiensis Berry 1916
Inga puryearensis Berry 1916
Inga wickliffensis Berry 1916
G. Mimosa Linnaeus 1753
+
Mimosa americana Berry 1914
Mimosa carolinensis Berry 1914
G. †Mimosites Bowerbank 1840
+
Mimosites georgianus Berry 1914
Mimosites lanceolatus Berry 1916
Mimosites linearis Lesquereux 1873
+
Invalid names: Mimosites linearifolius Lesquereux 1878 [synonym]
Mimosites variabilis Berry 1916
G. Pithecolobium Martius 1837
+
G. Viborquia Ortega 1798
+
Viborquia nigrostipellata Cockerell 1908
Fm. †Papilionaceae Giseke
+
G. Dalbergia Linnaeus 1782
+
Dalbergia apiculata Newberry 1895
Dalbergia calvertensis Berry 1909
Dalbergia coloradensis Knowlton 1916
Dalbergia cuneifolia Heer 1859
Dalbergia eocenica Berry 1916
Dalbergia hyperborea Heer 1882
Dalbergia irregularis Hollick 1906
Dalbergia lesquereuxii Ettingshausen 1883
+
Invalid names: Vaccinium retigerum Cockerell 1908 [synonym]
Dalbergia minor Hollick 1906
Dalbergia minuta Knowlton 1916
Dalbergia severnensis Berry 1911
Dalbergia wilcoxiana Berry 1916
G. †Dalbergites Berry 1916
+
G. †Dolichites Unger 1850
+
Dolichites deusseni Berry 1916
G. †Leguminosites Bowerbank 1840
+
Leguminosites alternans Lesquereux 1875
Leguminosites arachioides Lesquereux 1872
Leguminosites borealis Dawson 1889
Leguminosites constrictus Lesquereux 1891
Leguminosites convolutus Lesquereux 1891
Leguminosites cultriformis Lesquereux 1883
Leguminosites dakotensis Lesquereux 1891
Leguminosites hymenophyllus Lesquereux 1891
Leguminosites lamarensis Knowlton 1899
+
Invalid names: Leguminosites cassioides Lesquereux 1878 [replaced]
Leguminosites neomexicana Knowlton 1916
Leguminosites omphalobioides Lesquereux 1891
Leguminosites podogonialis Lesquereux 1891
Leguminosites reniformis Bowerbank 1840
Leguminosites subovatus Bowerbank 1840
Leguminosites truncatus Knowlton 1891
G. Lonchocarpus Kunth 1825
+
G. †Phaseolites Unger 1850
+
Phaseolites crassus Knowlton 1918
Phaseolites elegans Hollick 1906
Phaseolites formus Lesquereux 1891
Phaseolites leei Knowlton 1918
Phaseolites minutus Knowlton 1918
G. Psoralea Linnaeus 1753 [fountainbush]
+
Psoralea physodes Douglas 1831
G. Robinia Linnaeus 1753
+
Robinia brittoni Cockerell 1908
Robinia mesozoica Cockerell 1912
Robinia pseudacacia Linnaeus 1753
G. Sophora Linnaeus 1753
+
Sophora claiborneana Berry 1918
Sophora henryensis Berry 1916
Sophora lesquereuxi Berry 1916
Sophora mucronata Berry 1916
Sophora nervosa Knowlton 1918
Sophora palaelobifolia Berry 1916
Sophora puryearensis Berry 1916
Sophora repandifolia Berry 1916
Sophora wilcoxiana Berry 1916
+
G. Amelanchier Medikus 1789 [shadbush]
+
Amelanchier alnifolia Nuttall 1911
Amelanchier obovata Knowlton 1917
Amelanchier peritula Cockerell 1908
Amelanchier scudderi Cockerell 1906
Amelanchier similis Newberry 1868
Amelanchier typica Lesquereux 1883
Amelanchier whitei Hollick 1906
G. Crataegus Linnaeus 1753 [hawthorn]
+
Crataegus aceroides Lesquereux 1891
Crataegus aequidentata Lesquereux 1878
Crataegus antiqua Heer 1868
Crataegus atavina Heer 1883
Crataegus betulaefolia Lesquereux 1888
Crataegus crusgalli Linnaeus 1753
Crataegus engelhardti Lesquereux 1888
Crataegus holmesii Lesquereux 1887
Crataegus imparilis Knowlton 1902
Crataegus lacoei Lesquereux 1891
Crataegus laurenciana Lesquereux 1891
Crataegus marcouiana Lesquereux 1888
Crataegus myricoides Lesquereux 1888
Crataegus newberryi Cockerell 1907
+
Invalid names: Crataegus flavescens Newberry 1882 [replaced]
Crataegus punctata Jacques 1770
Crataegus tenuinervis Lesquereux 1891
Crataegus tranquillensis Penhallow 1908
Crataegus tulameensis Penhallow 1908
G. Malus Miller 1758
+
Malus coronarifolia Berry 1907
G. Pyrus Linnaeus 1753 [pear]
+
Pyrus cretacea Newberry 1868
G. Sorbus Linnaeus 1753
+
Sorbus diversifolia Lesquereux 1883
+
Invalid names: Crataegus acerifolia Lesquereux 1883 [synonym], Crataegus lesquereuxi Cockerell 1906 [synonym], Onoclea reducta Cockerell 1908 [synonym]
Sorbus megaphylla Cockerell 1908
Sorbus nupta Cockerell 1910
Fm. Rosaceae Jussieu 1789 [rose]
+
G. Cercocarpus Humboldt et al. 1823
+
Cercocarpus antiquus Lesquereux 1878
Cercocarpus orestesi Knowlton 1918
G. Chrysobalanus Linnaeus 1753
+
Chrysobalanus eocenica Berry 1916
Chrysobalanus inaequalis Lesquereux 1859
Chrysobalanus pollardiana Knowlton 1901
G. Potentilla Linnaeus 1753 [cinquefoil]
+
Potentilla anserina Linnaeus 1753
G. Rosa Linnaeus 1753 [rose]
+
Rosa hilliae Lesquereux 1883
Rosa inquirenda Knowlton 1916
Rosa ruskiniana Cockerell 1908
Rosa scudderi Knowlton 1916
Rosa wilmattae Cockerell 1908
G. Rubus Linnaeus 1753 [bramble]
G. Spiraea Linnaeus 1753 [meadowsweet]
+
Spiraea andersoni Heer 1869
Fm. †Saxifragaceae de Jussieu 1789
+
G. Hydrangea Linnaeus 1753 [hydrangea]
+
Hydrangea bendirei Ward 1885
Hydrangea florissantia Cockerell 1908
+
Invalid names: Rhus rotundifolia Kirchner 1898 [synonym]
Hydrangea subincerta Cockerell 1908
G. Philadelphus Linnaeus 1753 [mock-orange]
+
Philadelphus palaeophilus Cockerell 1908
G. Saxifraga Linnaeus 1753 [rockfoil]
+
Saxifraga peritula Cockerell 1908
Or. †Rubiales
+
Fm. Caprifoliaceae de Jussieu 1789 [honeysuckle]
+
G. Sambucus Linnaeus 1753 [elder]
+
Sambucus amabilis Cockerell 1910
Sambucus ellisiae Cockerell 1913
Sambucus newtoni Cockerell 1908
G. †Viburnites Lesquereux 1892
+
Viburnites crassus Lesquereux 1892
Viburnites evansanus Ward 1894
Viburnites masoni Lesquereux 1891
G. Viburnum Linnaeus 1753
+
Viburnum anomalinervum Knowlton 1918
Viburnum antiquum Newberry 1868
+
Invalid names: Viburnum tilioides Ward 1885 [synonym]
Viburnum asperum Newberry 1868
Viburnum bridgetonense Britton 1892
Viburnum calgarianum Dawson 1885
Viburnum contortum Lesquereux 1872
Viburnum crassum Knowlton 1918
Viburnum dakotense Lesquereux 1883
Viburnum dentatum Linnaeus 1753
Viburnum dentoni Lesquereux 1883
Viburnum ellsworthianum Lesquereux 1900
Viburnum elongatum Ward 1885
Viburnum erectum Ward 1885
Viburnum finale Ward 1885
Viburnum goldianum Lesquereux 1878
Viburnum grandedentatum Newberry 1882
Viburnum grewiopsideum Lesquereux 1891
Viburnum hesperium Knowlton 1918
Viburnum hollickii Berry 1903
Viburnum inaequilaterale Lesquereux 1891
Viburnum integrifolium Newberry 1894
Viburnum lakesii Lesquereux 1873
Viburnum lesquereuxii Ward 1891
Viburnum limpidum Ward 1885
Viburnum macrodontum Ward 1885
Viburnum magnum Knowlton 1918
Viburnum mattawanense Berry 1904
Viburnum molle Michaux 1803
Viburnum montanum Knowlton 1900
Viburnum newberryanum Ward 1885
Viburnum nudum Linnaeus 1753
Viburnum ovatum Penhallow 1902
Viburnum oxycoccoides Dawson 1885
Viburnum paucidentatum Newberry 1882
Viburnum perfectum Ward 1885
Viburnum perplexum Ward 1885
Viburnum problematicum Knowlton 1900
Viburnum pubescens Pursh 1875
Viburnum rhamnifolium Knowlton 1918
Viburnum robustum Lesquereux 1891
Viburnum rotundifolium Lesquereux 1874
Viburnum saskatchuense Dawson 1887
Viburnum simile Knowlton 1918
Viburnum solitarium Lesquereux 1878
Viburnum speciosum Knowlton 1918
Viburnum sphenophyllum Knowlton 1891
Viburnum vulpinum Knowlton 1916
Viburnum whymperi Heer 1869
Viburnum woottonianum Knowlton 1918
Fm. Rubiaceae Jussieu 1789 [coffee]
+
G. Cephalanthus Linnaeus 1753
+
G. Exostema Richard 1808
G. Guettarda Linnaeus 1753 [velvetseed]
+
G. Psychotria Linnaeus 1753
+
Psychotria grandifolia Engelhardt 1891
Or. Santalales Brown 1820
+
Fm. Loranthaceae de Jussieu 1808 [mistletoe]
+
G. Phoradendron Nuttall 1848
+
Fm. †Santalaceae Brown 1810
+
G. Santalum Linnaeus 1753
+
Santalum americanum Lesquereux 1883
Or. Sapindales Berchtold and Presl 1820
+
Fm. †Aceraceae de Jussieu
+
G. Acer Linnaeus 1753 [maple]
+
Acer aequidentatum Lesquereux 1878
Acer amboyense Newberry 1895
Acer arcticum Heer 1877
Acer bendirei Lesquereux 1888
Acer bolanderi Lesquereux 1878
Acer dimorphum Lesquereux 1888
Acer dubium Penhallow 1902
Acer florigerum Cockerell 1908
Acer florissanti Kirchner 1898
Acer fragilis Knowlton 1917
Acer gigas Knowlton 1902
Acer gracilescens Lesquereux 1883
Acer grossedentatum Heer 1859
Acer kirchnerianum Knowlton 1916
Acer lesquereuxii Knowlton 1898
+
Invalid names: Acer indivisum Lesquereux 1883 [synonym]
Acer medianum Knowlton 1902
Acer merriami Knowlton 1902
Acer minor Knowlton 1902
Acer minutum Hollick 1892
Acer mysticum Kirchner 1898
Acer oregonianum Knowlton 1902
Acer osmonti Knowlton 1902
Acer paucidentatum Hollick 1897
Acer perditum Cockerell 1908
Acer pleistocenicum Penhallow 1890
Acer pseudochrysophylla Lesquereux 1878
Acer rubrum Linnaeus 1753
Acer saccharinum Linnaeus 1753
Acer saccharum Marshall 1785
+
Invalid names: Acer saccharinum Wangenheim 1758 [replaced]
Acer saskatchewense Dawson 1885
Acer secreta Lesquereux 1871
Acer spicatum Lamarck 1786
Acer torontoniensis Penhallow 1907
Acer trilobatum Sternberg 1825
+
Invalid names: Acer tricuspidatum Braun 1845 [synonym]
Acer vivarium Knowlton 1899
G. †Acerites Viviani 1833
+
Acerites multiformis Lesquereux 1891
Acerites negundifolium Dawson 1890
G. Negundo Boehmer 1760
+
Negundo acutifolia Lesquereux 1868
Negundo decurrens Lesquereux 1888
Negundo triloba Newberry 1868
Invalid names: Negundoides Lesquereux 1868 [synonym]
G. Rulac Adanson 1763
+
Rulac crataegifolium Knowlton 1902
Fm. Anacardiaceae Brown 1818 [cashew]
+
G. †Anacardioxylon Felix 1882
+
G. †Anacardites Saporta 1861
+
Anacardites antiquus Lesquereux 1891
Anacardites falcatus Berry 1916
Anacardites minor Berry 1916
Anacardites serratus Berry 1916
G. Cotinus Adanson 1763
G. †Heterocalyx Saporta 1873
+
Heterocalyx saportana Berry 1916
G. Metopium Browne 1758 [poisonwood]
+
Metopium wilcoxianum Berry 1916
G. Pistacia Linnaeus 1753
+
Pistacia aquehongensis Hollick 1898
G. Rhus Linnaeus 1753 [sumac]
+
Rhus bella Heer 1869
Rhus bendirei Lesquereux 1888
Rhus boweniana Lesquereux 1878
Rhus cassioides Lesquereux 1883
Rhus coriarioides Lesquereux 1883
Rhus cretacea Heer 1906
Rhus darlingtonensis Berry 1914
Rhus deleta Heer 1859
Rhus dispersa Lesquereux 1878
Rhus evansii Lesquereux 1871
Rhus frigida Knowlton 1894
Rhus heuefleri Heer 1859
Rhus hilliae Lesquereux 1883
Rhus membranacea Lesquereux 1875
Rhus mensae Cockerell 1908
+
Invalid names: Rhus metopioides Lesquereux 1878 [replaced]
Rhus milleri Hollick 1904
Rhus mixta Lesquereux 1878
Rhus myricaefolia Lesquereux 1878
Rhus nevadensis Knowlton 1901
Rhus payettensis Knowlton 1898
Rhus powelliana Lesquereux 1891
Rhus redditeformis Berry 1912
Rhus subrhomboidalis Lesquereux 1883
Rhus trifolioides Lesquereux 1883
Rhus typhinoides Lesquereux 1878
Rhus uddeni Lesquereux 1891
Rhus viburnoides Knowlton 1918
Rhus westii Knowlton 1891
Rhus winchellii Lesquereux 1883
G. Schmaltzia Desveaux 1809
+
Schmaltzia vexans Lesquereux 1883
Fm. Celastraceae Brown 1814 [bittersweet]
+
G. †Celastrinites Saporta 1865
+
Celastrinites ambiguus Lesquereux 1871
+
Invalid names: Celastrinites laevigatus Lesquereux 1878 [synonym]
Celastrinites artocarpidioides Lesquereux 1878
Celastrinites elegans Lesquereux 1883
G. †Celastrophyllum Goeppert 1854
+
Celastrophyllum acutidens Fontaine 1889
+
Invalid names: Celastrophyllum obtusidens Fontaine 1889 [synonym], Celastrophyllum pulchrum Ward 1899 [synonym], Myrica brookensis Fontaine 1889 [synonym]
Celastrophyllum arcinerve Fontaine 1889
Celastrophyllum crassipes Lesquereux 1891
Celastrophyllum cretaceum Lesquereux 1891
Celastrophyllum decurrens Lesquereux 1892
Celastrophyllum ensifolium Lesquereux 1871
+
Invalid names: Celastrophyllum saliciforme Ward 1905 [synonym]
Celastrophyllum latifolium Fontaine 1889
+
Invalid names: Celastrophyllum obovatum Fontaine 1889 [synonym], Celastrophyllum tenuinerve Fontaine 1889 [synonym], Proteaephyllum uhleri Fontaine 1905 [synonym]
Celastrophyllum minus Hollick 1895
Celastrophyllum myrsinoides Lesquereux 1891
Celastrophyllum obliquum Knowlton 1891
Celastrophyllum parvifolium Fontaine 1889
+
Invalid names: Celastrophyllum brookense Fontaine 1889 [synonym], Saliciphyllum ellipticum Fontaine 1889 [synonym]
Celastrophyllum robustum Newberry 1895
Celastrophyllum spatulatum Newberry 1895
Celastrophyllum undulatum Newberry 1895
G. Celastrus Linnaeus 1753
+
Celastrus arctica Heer 1883
Celastrus borealis Heer 1869
Celastrus bruckmanni Braun 1851
Celastrus colignitica Berry 1916
Celastrus confluens Knowlton 1902
Celastrus culveri Knowlton 1899
Celastrus curvinervis Ward 1885
Celastrus dignatus Knowlton 1902
Celastrus ellipticus Knowlton 1899
Celastrus ferrugineus Ward 1885
Celastrus fraxinifolius Lesquereux 1883
Celastrus gaudini Lesquereux 1888
Celastrus grewiopsis Ward 1885
Celastrus haddeni Knowlton 1918
Celastrus hesperius Knowlton 1918
Celastrus inaequalis Knowlton 1899
Celastrus lacoei Lesquereux 1883
Celastrus lindgreni Knowlton 1898
Celastrus minor Berry 1916
Celastrus serratus Knowlton 1918
Celastrus taurinensis Ward 1885
Celastrus veatchi Hollick 1899
G. Elaeodendron von Jaquin 1782
+
Elaeodendron speciosum Lesquereux 1891
Elaeodendron strictum Hollick 1906
G. †Elaeodendroxylon Platen 1908
+
G. Euonymus Linnaeus 1753 [spindle tree]
+
Euonymus flexifolius Lesquereux 1883
Euonymus splendens Berry 1916
G. Gyminda Sargent 1891 [false box]
+
Gyminda primordialis Hollick 1906
G. Maytenus Molina 1782
+
Maytenus puryearensis Berry 1916
G. †Pachystima Rafinesque 1818
+
Pachystima cretacea Berry 1914
Pachystima integra Cockerell 1908
Fm. †Hippocastanaceae Richard
+
G. †Aesculophyllum Dawson 1895
+
G. Aesculus Linnaeus 1753
+
Aesculus antiquus Dawson 1875
Aesculus arctica Knowlton 1904
Aesculus simulata Knowlton 1902
Fm. Sapindaceae de Jussieu 1789 [soapberry]
+
G. †Cupanites Schimper 1874
+
Cupanites eoligniticus Berry 1916
Cupanites loughridgii Berry 1916
Cupanites nigricans Berry 1918
G. Dodonaea Miller 1758
+
Dodonaea knowltoni Berry 1916
Dodonaea viscosoides Berry 1914
Dodonaea wilcoxiana Berry 1916
G. †Sapindoides Perkins 1904
+
Sapindoides americanus Lesquereux 1861
Sapindoides cylindricus Perkins 1904
Sapindoides medius Perkins 1904
Sapindoides minimus Perkins 1904
Sapindoides parva Perkins 1904
Sapindoides urceolatus Perkins 1906
Sapindoides varius Perkins 1904
Sapindoides vermontanus Perkins 1904
G. †Sapindopsis Fontaine 1889
+
Sapindopsis brevifolia Fontaine 1889
Sapindopsis magnifolia Fontaine 1889
+
Invalid names: Aralia fontainei Knowlton 1898 [synonym], Ficophyllum eucalyptoides Fontaine 1889 [synonym], Sapindopsis obtusifolia Fontaine 1889 [synonym], Sapindopsis tenuinervis Fontaine 1889 [synonym]
Sapindopsis variabilis Fontaine 1889
+
Invalid names: Eucalyptus rosieriana Ward 1905 [synonym], Sapindopsis parvifolia Fontaine 1889 [synonym]
G. Sapindus Linnaeus 1753 [soapnut]
+
Sapindus affinis Newberry 1868
Sapindus apiculatus Velenovsky 1884
Sapindus bentonensis Berry 1916
Sapindus caudatus Lesquereux 1872
Sapindus coloradensis Cockerell 1908
Sapindus coushatta Berry 1916
Sapindus dentoni Lesquereux 1875
Sapindus diversifolius Lesquereux 1891
Sapindus eoligniticus Berry 1916
Sapindus formosus Berry 1916
Sapindus georgiana Berry 1914
Sapindus glendivensis Knowlton 1919
+
Invalid names: Sapindus alatus Ward 1885 [replaced]
Sapindus grandifolioloides Knowlton 1899
Sapindus imperfectus Hollick 1904
Sapindus inexpectans Knowlton 1905
Sapindus inflexus Lesquereux 1883
Sapindus knowltoni Berry 1916
Sapindus lancifolius Lesquereux 1883
Sapindus leonis Cockerell 1908
Sapindus linearifolius Berry 1916
Sapindus marylandicus Hollick 1906
Sapindus membranaceus Newberry 1868
Sapindus merriami Knowlton 1902
Sapindus morrisoni Lesquereux 1883
Sapindus obtusifolius Lesquereux 1873
Sapindus oklahomensis Berry 1918
Sapindus oregonianus Knowlton 1902
Sapindus oxfordensis Berry 1916
Sapindus pseudaffinis Berry 1916
Sapindus rocklandensis Knowlton 1918
Sapindus stellariaefolius Lesquereux 1878
Sapindus variabilis Berry 1919
Sapindus wardii Knowlton 1899
Fm. †Staphyleaceae Martinov 1820
+
G. Staphylea Linnaeus 1753 [bladdernut]
+
Staphylea acuminata Lesquereux 1873
Staphylea fremonti Knowlton 1917
Invalid names: Ilicaceae [empty]
Or. †Urticales
+
Fm. Moraceae Link 1835 [mulberry]
+
G. †Artocarpidium Unger 1851
+
Artocarpidium cretaceum Ettingshausen 1867
G. †Artocarpoides Saporta 1865
+
G. †Artocarpophyllum Dawson 1894
+
G. Artocarpus Forster and Forster 1776
+
Artocarpus californica Knowlton 1893
Artocarpus dissecta Knowlton 1917
Artocarpus dubia Hollick 1899
Artocarpus lessigiana Knowlton
Artocarpus pungens Lesquereux 1883
Artocarpus quercoides Knowlton 1899
Artocarpus similis Knowlton 1917
G. Dorstenia Linnaeus 1753
G. †Eremophyllum Lesquereux 1874
+
Eremophyllum fimbriatum Lesquereux 1868
G. †Ficophyllum Fontaine 1889
+
Ficophyllum crassinerve Fontaine 1889
+
Invalid names: Ficophyllum oblongifolium Fontaine 1889 [synonym], Ficophyllum tenuinerve Fontaine 1889 [synonym], Ficus fredericksburgensis Fontaine 1889 [synonym], Ficus virginiensis Fontaine 1889 [synonym], Sapindopsis cordata Fontaine 1889 [synonym]
Ficophyllum fontainei Knowlton 1919
Ficophyllum serratum Fontaine 1889
+
Invalid names: Quercophyllum tenuinerve Fontaine 1889 [synonym]
G. †Ficoxylon Kaiser 1880
+
G. Ficus Linnaeus 1753 [fig]
+
Ficus aguilar Knowlton 1918
Ficus alabamensis Berry 1919
Ficus alaskana Newberry 1882
Ficus alkalina Lesquereux 1883
Ficus andraei Lesquereux 1888
Ficus appendiculata Heer 1856
Ficus applegatei Knowlton 1902
Ficus arenacea Lesquereux 1871
Ficus arenaceaeformis Cockerell 1908
Ficus artocarpoides Lesquereux 1883
Ficus asarifolia Ettingshausen 1867
Ficus asiminaefolia Lesquereux 1883
Ficus atavina Heer 1882
Ficus austiniana Lesquereux 1884
Ficus baueri Knowlton 1916
Ficus berthoudi Lesquereux 1888
Ficus bruesi Cockerell 1910
Ficus cecilensis Berry 1916
Ficus celtifolius Berry 1914
Ficus ceratops Knowlton 1911
Ficus claibornensis Berry 1914
Ficus coloradensis Cockerell 1910
+
Invalid names: Ficus irregularis Lesquereux 1871 [replaced]
Ficus contorta Dawson 1893
Ficus corylifolius Lesquereux 1872
Ficus crassipes Heer 1874
Ficus crossii Ward 1885
Ficus curta Knowlton 1917
Ficus dalli Cockerell 1910
+
Invalid names: Ficus membranacea Newberry 1883 [replaced]
Ficus dalmatica Ettingshausen 1855
Ficus daphnogenoides Heer 1866
+
Invalid names: Ficus proteoides Lesquereux 1891 [synonym]
Ficus decandolleana Heer 1856
Ficus deflexa Lesquereux 1891
Ficus deformata Knowlton 1899
Ficus densifolia Knowlton 1899
Ficus denveriana Cockerell 1910
+
Invalid names: Ficus spectabilis Lesquereux 1872 [replaced]
Ficus distorta Lesquereux 1875
Ficus duplicata Knowlton 1918
Ficus eolignitica Berry 1916
Ficus eucalyptifolia Knowlton 1918
Ficus firma Knowlton 1919
+
Invalid names: Ficus montana Knowlton 1900 [replaced]
Ficus florissantella Cockerell 1908
Ficus florissantia Knowlton 1916
Ficus fontainii Berry 1919
Ficus fracta Velenovsky 1885
Ficus fremonti Knowlton 1917
Ficus georgiana Berry 1914
Ficus gigantea Knowlton 1918
Ficus glascoeana Lesquereux 1883
Ficus haddeni Knowlton 1918
Ficus haguei Knowlton 1899
Ficus halliana Lesquereux 1874
Ficus harkeriana Knowlton 1919
Ficus harrisiana Hollick 1899
Ficus haydenii Lesquereux 1872
Ficus hesperia Knowlton 1900
Ficus inaequalis Lesquereux 1891
Ficus incompleta Knowlton 1900
Ficus interglacialis Hollick 1915
Ficus jynx Unger 1850
Ficus krausiana Heer 1869
+
Invalid names: Ficus beckwithii Lesquereux 1882 [synonym]
Ficus lacustris Knowlton 1901
Ficus lanceolatoacuminata Ettingshausen 1872
Ficus laurophylla Lesquereux 1874
+
Invalid names: Laurophyllum reticulatum Lesquereux 1872 [synonym]
Ficus laurophyllidia Dawson 1893
Ficus leei Knowlton 1918
Ficus lesquereuxii Knowlton 1898
Ficus limpida Ward 1885
Ficus magnoliaefolia Lesquereux 1883
Ficus mattawanensis Berry 1911
Ficus melanophylla Lesquereux 1891
Ficus mensae Cockerell 1910
+
Invalid names: Ficus microphylla Lesquereux 1878 [replaced]
Ficus minima Knowlton 1918
Ficus minutidens Knowlton 1918
Ficus missouriensis Knowlton 1900
Ficus monodon Lesquereux 1869
Ficus mudgei Lesquereux 1891
Ficus myrtifolius Berry 1916
Ficus navicularis Cockerell 1908
+
Invalid names: Ficus lanceolata Heer 1856 [replaced]
Ficus neoplanicostata Knowlton 1918
Ficus neurocarpa Hollick 1903
Ficus newberryana Knowlton 1918
Ficus newtonensis Berry 1918
Ficus oblanceolata Lesquereux 1872
Ficus occidentalis Lesquereux 1872
Ficus oregoniana Lesquereux 1888
Ficus ovaliformis Cockerell 1910
+
Invalid names: Ficus ovalis Lesquereux 1875 [replaced]
Ficus ovatifolia Newberry 1896
Ficus planicostata Lesquereux 1872
+
Invalid names: Ficus clintoni Lesquereux 1872 [synonym]
Ficus populina Heer 1856
Ficus populoides Knowlton 1900
Ficus praecursor Lesquereux 1891
Ficus praelatifolia Knowlton 1916
Ficus praetrinervis Knowlton 1917
Ficus primordialis Heer 1866
Ficus problematica Knowlton 1900
Ficus pseudocuspidata Berry 1916
Ficus pseudopopulus Lesquereux 1875
Ficus puryearensis Berry 1916
Ficus ratonensis Knowlton 1918
Ficus regularis Knowlton 1917
Ficus rhamnoides Knowlton 1900
Ficus richardsoni Knowlton 1918
Ficus richmondensis Berry 1909
Ficus rockvalensis Knowlton 1918
Ficus rotundata Dawson 1893
Ficus russelli Knowlton 1911
Ficus sapindifolia Hollick 1904
Ficus schimperi Lesquereux 1869
+
Invalid names: Celtis brevifolia Lesquereux 1869 [synonym]
Ficus shastensis Lesquereux 1888
Ficus shirleyensis Berry 1919
Ficus smithsoniana Lesquereux 1871
Ficus sordida Lesquereux 1878
Ficus speciossima Ward 1885
Ficus squarrosa Knowlton 1900
Ficus starkvillensis Knowlton 1918
Ficus stephensoni Berry 1910
Ficus subtruncata Lesquereux 1872
Ficus tenuinervis Lesquereux 1883
Ficus tessellata Lesquereux 1878
Ficus trinervis Knowlton 1900
Ficus uncata Lesquereux 1871
+
Invalid names: Ficus gaudini Lesquereux 1871 [synonym]
Ficus ungeri Lesquereux 1871
Ficus vaughani Berry 1916
Ficus viburnifolia Ward 1885
Ficus wardii Knowlton 1900
Ficus wellingtoniae Dawson 1893
Ficus wilcoxensis Berry 1916
Ficus willisiana Hollick 1894
Ficus woolsoni Newberry 1892
Ficus wyomingiana Lesquereux 1875
Ficus zizyphoides Lesquereux 1873
G. Morus Linnaeus 1753 [mulberry]
+
Morus affinis Lesquereux 1871
Morus symmetrica Cockerell 1908
G. Pourouma Aublet 1775
+
Pourouma texana Berry 1916
G. †Protoficus Saporta 1868
+
Protoficus fossi Duror 1916
Protoficus inaequalis Newberry 1882
Protoficus zeilleri Lesquereux 1888
G. Pseudolmedia Trécul 1847
+
Pseudolmedia eocenica Berry 1916
G. †Toxylon Rafinesque 1817
+
Toxylon pomiferum Rafinesque 1817
Fm. Ulmaceae Brisseau-Mirbel 1815 [elm]
+
G. Celtis Linnaeus 1753 [hackberry]
+
Celtis mccoshii Lesquereux 1883
Celtis pseudocrassifolia Hollick 1906
G. Planera Gmelin 1791 [water elm]
+
Planera aquatica Walter 1791
Planera betuloides Hollick 1906
Planera cretacea Berry 1907
Planera knowltoniana Hollick 1895
Planera microphylla Newberry 1868
Planera myricaefolia Lesquereux 1883
Planera nervosa Newberry 1882
Planera ungeri Ettingshausen 1851
+
Invalid names: Planera dubia Lesquereux 1859 [synonym]
Planera variabilis Newberry 1882
G. †Ulmites Dawson 1891
+
Ulmites pusillus Dawson 1890
G. †Ulmophyllum Ettingshausen 1886
+
Ulmophyllum brookense Fontaine 1889
Ulmophyllum crassinerve Fontaine 1889
Ulmophyllum densinerve Fontaine 1899
Ulmophyllum priscum Dawson 1893
Ulmophyllum tenuinerve Fontaine 1889
Invalid names: Ulmiphyllum Fontaine 1889 [synonym]
G. †Ulmoxylon Kaiser 1879
+
Ulmoxylon simrothi Platen 1907
G. Ulmus Linnaeus 1753 [elm]
+
Ulmus affinis Lesquereux 1878
Ulmus alata Michaux 1803
Ulmus americana Linnaeus 1753
Ulmus antecedens Lesquereux 1888
Ulmus basicordata Hollick 1904
Ulmus betuloides Hollick 1906
Ulmus braunii Heer 1856
Ulmus brownellii Lesquereux 1883
Ulmus californica Lesquereux 1878
Ulmus columbiana Penhallow 1907
Ulmus dubia Dawson 1882
Ulmus grandifolia Newberry 1882
Ulmus hilliae Lesquereux 1883
Ulmus minima Ward 1885
Ulmus newberryi Knowlton 1902
Ulmus orbicularis Ward 1885
Ulmus plurinervia Unger 1847
Ulmus praecursor Dawson 1886
Ulmus protoamericana Penhallow 1907
Ulmus protoracemosa Penhallow 1907
Ulmus pseudofulva Lesquereux 1878
Ulmus pseudoracemosa Hollick 1906
Ulmus quercifolia Unger 1847
Ulmus racemosa Thomas 1896
Ulmus rhamnifolia Ward 1885
Ulmus sorbifolia Göppert 1852
Ulmus speciosa Newberry 1883
+
Invalid names: Ulmus pseudoamericana Lesquereux 1883 [synonym]
Ulmus tenuinervis Lesquereux 1873
Fm. Urticaceae de Jussieu 1789 [nettle]
+
G. †Lebephyllum Wilson 1913
+
Lebephyllum reineckei Wilson 1913
Invalid names: Aristolochiales [empty], Campanulales [empty], Casuarinales [empty], Chenopodiales [empty], Myricales [empty], Oleales [empty], Platanales [empty], Polemoniales [empty], Polygonales [empty], Ranales [empty], Salicales [empty], Sarraceniales [empty], Thymeleales [empty], Tubiflorae [empty], Umbellales [empty]
Subcl. †Monocotyledones
+
G. †Anomophyllites Watelet 1866
+
Or. †Arales
+
Fm. Araceae de Jussieu 1789
+
G. Acorus Linnaeus 1753 [calamus]
+
Acorus affinis Lesquereux 1873
Acorus brachystachys Heer 1870
Acorus calamus Linnaeus 1753
G. †Araceaeites Fritel 1910
+
Araceaeites friteli Berry 1916
G. Arisaema Martius 1831
+
Arisaema cretacea Lesquereux 1891
+
Invalid names: Arisaema dubia Hollick 1897 [synonym]
Arisaema mattewanense Hollick 1897
G. Pistia Linnaeus 1753 [water cabbage]
+
Pistia claibornensis Berry 1914
Pistia corrugata Lesquereux 1874
Pistia nordenskioeldi Heer 1874
Pistia spathulata Michaux 1803
Pistia wilcoxensis Berry 1916
G. Thrinax Linnaeus 1788
+
Thrinax eocenica Berry 1914
Fm. Lemnaceae Gray [duckweed]
+
G. Lemna Linnaeus 1753 [duckweed]
+
Lemna bullata Lesquereux 1875
Lemna scutata Dawson 1875
G. Spirodela Schleiden 1839
+
Spirodela penicillata Lesquereux 1883
Or. Arecales Bromhead 1840
+
Fm. Arecaceae von Berchtold and Presl 1820 [palm]
+
G. †Calamopsis Heer 1859
G. Chamaedorea Willdenow 1806
+
Chamaedorea danai Lesquereux 1866
G. †Flabellaria Sternberg 1821
+
Flabellaria florissanti Lesquereux 1883
Flabellaria latania Rossmässler 1840
Flabellaria minima Lesquereux 1883
G. Geonoma Willdenow 1805
+
Geonoma gigantea Knowlton 1918
G. †Geonomites Visiani 1864
+
Geonomites goldianus Lesquereux 1874
Geonomites graminifolius Lesquereux 1888
Geonomites schimperi Lesquereux 1878
Geonomites tenuirachis Lesquereux 1878
Invalid names: Geonomites Lesquereux 1878 [objective synonym]
G. Manicaria Gaertner 1791
+
Manicaria haydenii Newberry 1882
G. †Nipadites Bowerbank 1840
G. †Oreodoxites Goeppert 1864
+
Oreodoxites plicatus Lesquereux 1883
Invalid names: Oreodoxites Lesquereux 1883 [objective synonym]
G. †Palmocarpon Lesquereux 1878
+
Palmocarpon compositum Lesquereux 1871
Palmocarpon globosum Lesquereux 1883
Palmocarpon lineatum Lesquereux 1888
Palmocarpon mexicanum Lesquereux 1871
Palmocarpon palmarum Lesquereux 1871
+
Invalid names: Palmocarpon commune Lesquereux 1878 [synonym]
Palmocarpon subcylindricum Lesquereux 1878
Palmocarpon truncatum Lesquereux 1878
G. †Palmoxylon Schenk 1882
+
Palmoxylon anchorus Stevens 1912
Palmoxylon cellulosum Knowlton 1888
Palmoxylon quenstedti Felix 1883
G. †Phoenicites Brongniart 1828
+
G. Sabal Adanson 1763
+
Sabal eocenica Lesquereux 1872
+
Invalid names: Flabellaria communis Lesquereux 1874 [synonym], Sabal inquirenda Knowlton 1918 [synonym]
Sabal goldiana Lesquereux 1872
Sabal grandifolia Newberry 1898
Sabal imperialis Dawson 1882
Sabal leei Knowlton 1918
Sabal montana Knowlton 1918
Sabal palmetto Walter 1788
Sabal powellii Newberry 1882
Sabal rigida Hatcher 1901
Sabal rugosa Knowlton 1918
Sabal ungeri Lesquereux 1878
G. †Sabalites Saporta 1865
+
Sabalites californicus Lesquereux 1878
Sabalites campbelli Newberry 1863
Sabalites carolinensis Berry 1914
Sabalites fructifer Lesquereux 1873
Sabalites grayanus Lesquereux 1869
Sabalites magothiensis Berry 1905
G. †Doryanthites Berry 1914
+
Doryanthites cretacea Berry 1914
Or. †Graminales
+
Fm. Cyperaceae Jussieu 1789 [sedge]
+
G. Carex Linnaeus 1753
+
Carex aquatilis Wahlenberg 1803
Carex berthoudi Lesquereux 1872
Carex burrardiana Penhallow 1895
Carex clarkii Berry 1905
Carex magellanica Lamarck 1792
Carex servata Heer 1869
Carex utriculata Boott 1839
Carex vancouverensis Penhallow 1895
G. †Cyperacites Schimper 1870
+
Cyperacites angustior Schimper 1870
Cyperacites borealis Heer 1868
Cyperacites giganteus Knowlton 1899
Cyperacites haydenii Lesquereux 1883
Invalid names: Cyperites Heer 1855 [synonym]
G. Cyperus Linnaeus 1753 [sedge]
+
Cyperus braunianus Heer 1855
Cyperus chavannesi Heer 1855
G. Scirpus Linnaeus 1753
Fm. Gramineae de Jussieu [true grass]
+
G. Arundinaria Michaux 1803
+
G. Arundo Linnaeus 1753
+
Arundo goepperti Münster 1871
Arundo groenlandica Heer 1874
Arundo obtusa Lesquereux 1875
Arundo pseudogoepperti Berry 1914
Arundo reperta Lesquereux 1875
G. †Bambusium Unger 1845
+
Bambusium carolinense Fontaine 1883
G. Bromus Linnaeus 1753
+
Bromus ciliatus Linnaeus 1753
G. Chaetochloa Scribner 1897
G. Festuca Linnaeus 1753 [fescue]
+
Festuca ovina Linnaeus 1753
G. Muhlenbergia Schreber 1789
+
Muhlenbergia florissanti Knowlton 1916
G. Oryzopsis Michaux 1803 [ricegrass]
+
Oryzopsis asperifolia Michaux 1803
G. Phalaris Linnaeus 1753
+
Phalaris geometrorum Cockerell 1913
G. Phragmites Adanson 1763 [common reed]
+
Phragmites alaskana Heer 1869
Phragmites cordaiformis Dawson 1882
Phragmites cretaceus Lesquereux 1868
+
Invalid names: Equisetum nodosum Lesquereux 1883 [synonym]
Phragmites falcata Knowlton 1899
Phragmites laramianus Cockerell 1909
Phragmites latissima Knowlton 1899
Phragmites prattii Berry 1910
G. †Poacites Brongniart 1822
+
Poacites laevis Braun 1871
Poacites mengeanus Heer 1859
G. Stipa Linnaeus 1753 [feather grass]
+
Stipa laminarium Cockerell 1908
Or. Liliales Perleb 1826
+
Fm. †Convallariaceae Horaninow
+
G. Clintonia Rafinesque 1818 [Clinton's lily]
+
Clintonia oblongifolia Penhallow 1902
Fm. Dioscoreaceae Brown 1810
+
G. Dioscorea Linnaeus 1753 [yam]
+
Dioscorea cretacea Lesquereux 1874
Fm. †Dracaenaceae Salisbury
+
G. Yucca Linnaeus 1753
Fm. †Iridaceae de Jussieu 1789
+
G. Iris Linnaeus 1753
Fm. †Juncaceae de Jussieu 1789
+
G. Juncus Linnaeus 1753 [rush]
+
Juncus crassulus Cockerell 1908
Fm. Liliaceae Jussieu 1789
+
G. †Majanthemophyllum Weber 1851
+
Invalid names: Smilaceae Ventenat 1799 [empty]
G. †Musophyllum Göppert 1854
+
Musophyllum complicatum Lesquereux 1874
+
Fm. †Alismaceae
+
G. †Alismacites Saporta 1862
+
Alismacites dakotensis Lesquereux 1891
G. †Alismaphyllites Knowlton 1917
+
G. †Alismaphyllum Berry 1911
+
G. Sagittaria Linnaeus 1753
+
Sagittaria pulchella Heer 1869
Fm. Hydrocharitaceae de Jussieu 1789
+
G. Ottelia Persoon 1805
+
Ottelia americana Lesquereux 1874
Fm. †Najadaceae de Jussieu
+
G. †Najadopsis Heer 1855
+
Najadopsis rugulosa Lesquereux 1883
G. Zostera Linnaeus 1753 [marine eelgrass]
+
Zostera marina Linnaeus 1753
Fm. Potamogetonaceae Reichenbach 1823 [pondweed]
+
G. †Palaeopotamogeton Knowlton 1916
+
G. Potamogeton Linnaeus 1753
+
Potamogeton natans Linnaeus 1753
Potamogeton pectinatus Linnaeus 1753
Potamogeton pusillus Linnaeus 1753
Potamogeton rutilus Wolfgang 1885
Potamogeton verticillatus Lesquereux 1883
G. †Potamogetophyllum Fontaine 1905
+
+
G. Limnobium Richard 1811
+
Limnobium obliteratum Cockerell 1908
G. Philotria Rafinesque 1818
+
Philotria canadensis Michaux 1803
G. Vallisneria Linnaeus 1753 [eelgrass]
+
Vallisneria spiralis Linnaeus 1753
Or. Pandanales Brown 1820
+
Fm. †Sparganiaceae Hanin
+
G. Sparganium Linnaeus 1753 [bur-reed]
+
Sparganium stygium Heer 1855
Fm. Typhaceae Jussieu 1789
+
G. Typha Linnaeus 1753 [bulrush]
+
Typha latifolia Linnaeus 1753
Typha lesquereuxi Cockerell 1908
G. †Yorkia Wanner 1900
+
Yorkia gramineoides Ward 1900
+
Fm. Zingiberaceae Martinov 1820
+
G. †Zingiberites Heer 1859
+
Zingiberites dubius Lesquereux 1878
Invalid names: Scitaminales [empty], Xyridales [empty]
+
Or. †Bennettitales Bessey 1910
+
+
G. †Bennettites Carruthers 1870
G. †Cycadella Ward 1900
+
Cycadella beecheriana Ward 1900
Cycadella cirrata Ward 1900
Cycadella compressa Ward 1900
Cycadella concinna Ward 1900
Cycadella contracta Ward 1900
Cycadella crepidaria Ward 1900
Cycadella exogena Ward 1900
Cycadella ferruginea Ward 1900
Cycadella gelida Ward 1900
Cycadella gravis Ward 1900
Cycadella jejuna Ward 1900
Cycadella jurassica Ward 1900
Cycadella knightii Ward 1900
Cycadella nodosa Ward 1900
Cycadella ramentosa Ward 1900
Cycadella reedii Ward 1900
Cycadella utopiensis Ward 1900
Cycadella verrucosa Ward 1900
G. †Cycadeoidea Buckland 1828
+
Cycadeoidea aspera Ward 1898
Cycadeoidea bibbinsi Ward 1897
Cycadeoidea clarkiana Ward 1905
Cycadeoidea colei Ward 1898
Cycadeoidea dartoni Wieland 1916
Cycadeoidea emmonsi Fontaine 1883
Cycadeoidea excelsa Ward 1898
Cycadeoidea fisherae Ward 1905
Cycadeoidea formosa Ward 1898
Cycadeoidea furcata Ward 1898
Cycadeoidea ingens Ward 1898
Cycadeoidea insoleta Ward 1898
Cycadeoidea jenneyana Ward 1894
Cycadeoidea marshiana Ward 1898
Cycadeoidea marylandica Fontaine 1889
Cycadeoidea mcbridei Ward 1898
Cycadeoidea mcgeeana Ward 1897
Cycadeoidea minima Ward 1900
Cycadeoidea mirabilis Lesquereux 1875
+
Invalid names: Cycadeoidea zamiostrobus Solms 1892 [synonym]
Cycadeoidea munita Cragin 1889
Cycadeoidea nana Ward 1898
Cycadeoidea nigra Ward 1900
Cycadeoidea paynei Ward 1898
Cycadeoidea protea Ward 1900
Cycadeoidea rhombica Ward 1900
Cycadeoidea stantoni Ward 1905
Cycadeoidea superba Ward 1900
Cycadeoidea turrita Ward 1898
Cycadeoidea tysoniana Ward 1897
Cycadeoidea uddeni Wieland 1916
Cycadeoidea uhleri Ward 1897
Cycadeoidea wellsii Ward 1898
Cycadeoidea wielandi Ward 1899
Invalid names: Tysonia Fontaine 1889 [synonym]
+
G. †Androvettia Hollick and Jeffrey 1909
+
Androvettia elegans Berry 1914
Androvettia statenensis Hollick and Jeffrey 1909
G. †Anomaspis Hollick and Jeffrey 1909
+
Anomaspis hispida Hollick and Jeffrey 1909
Anomaspis tuberculata Hollick and Jeffrey 1909
Fm. Araucariaceae Henckel and Hochstetter 1865
+
G. Araucaria de Jussieu 1789
+
Araucaria bladenensis Berry 1908
Araucaria clarkii Berry 1910
Araucaria hatcheri Wieland 1908
Araucaria hespera Wieland 1908
Araucaria jeffreyi Berry 1908
Araucaria marylandica Berry 1916
Araucaria obtusifolia Fontaine 1889
Araucaria podocarpoides Fontaine 1889
Araucaria spatulata Newberry 1868
Araucaria zamioides Fontaine 1889
G. †Araucariopitys Jeffrey 1907
+
Araucariopitys americana Jeffrey 1907
G. †Araucarioxylon Kraus 1870
+
Araucarioxylon arizonicum Knowlton 1888
Araucarioxylon hoppertonae Knowlton 1899
Araucarioxylon noveboracense Hollick and Jeffrey 1909
Araucarioxylon obscurum Knowlton 1900
Araucarioxylon prosseri Penhallow 1900
Araucarioxylon virginianum Knowlton 1889
Araucarioxylon woodworthi Knowlton 1899
G. †Araucarites Presl 1833
+
Araucarites aquiensis Fontaine
Araucarites chiquito Ward 1900
Araucarites cuneatus Ward 1899
Araucarites ovatus Hollick 1897
Araucarites pennsylvanicus Fontaine 1900
Araucarites virginicus Fontaine 1889
Araucarites wyomingensis Fontaine 1899
Araucarites yorkensis Fontaine 1900
Araucarites zeilleri Berry 1908
G. †Dammara Gaertner 1791
+
Dammara acicularis Knowlton 1916
Dammara borealis Heer 1882
Dammara cliffwoodensis Hollick 1897
Dammara northportensis Hollick 1904
G. †Dammarites Presl 1838
+
Dammarites caudatus Lesquereux 1883
+
Invalid names: Podozamites praelongus Lesquereux 1883 [synonym]
Dammarites dubius Dawson 1893
Dammarites emarginatus Lesquereux 1883
G. †Protodammara Hollick and Jeffrey 1906
+
Protodammara speciosa Hollick and Jeffrey 1906
+
Invalid names: Dammara minor Hollick 1906 [synonym]
G. †Woodworthia Jeffrey 1910
+
Woodworthia arizonica Jeffrey 1910
+
G. †Brachyoxylon Hollick and Jeffrey 1909
+
Brachyoxylon notabile Hollick and Jeffrey 1909
G. †Brachyphyllum Brongniart 1828
+
Brachyphyllum macrocarpum Newberry 1896
+
Invalid names: Thuites crassus Lesquereux 1883 [synonym]
Brachyphyllum mamillare Brongniart 1828
Brachyphyllum parceramosum Fontaine 1890
+
Invalid names: Brachyphyllum texense Fontaine 1893 [synonym]
Brachyphyllum yorkense Fontaine 1900
G. †Brunswickia Wherry 1916
+
Brunswickia dubia Wherry 1916
G. †Cheirolepis Schimper 1870
+
Cheirolepis latus Brown 1911
Cheirolepis muensteri Schenk 1867
G. †Cyclopitys Schmalhausen 1879
+
Cyclopitys oregonensis Fontaine 1905
G. †Czekanowskia Heer 1876
+
Czekanowskia capillaris Newberry 1895
Czekanowskia nervosa Heer 1881
G. †Dactyolepis Hollick and Jeffrey 1909
+
Dactyolepis cryptomerioides Hollick and Jeffrey 1909
G. †Feildenia Heer 1878
+
Feildenia nordenskioeldi Nathorst 1897
G. †Feildeniopsis Fontaine 1889
+
Feildeniopsis crassinervis Fontaine 1889
G. †Heterolepis Berry 1914
+
Heterolepis cretaceus Berry 1914
G. †Lepidostrobus Brongniart 1828
G. †Noeggerathiopsis Feistmantel 1879
+
Noeggerathiopsis robinsi Dawson 1893
G. †Pagiophyllum Heer 1881
+
Pagiophyllum brevifolium Newberry 1888
Pagiophyllum dubium Fontaine 1893
Pagiophyllum falcatum Bartolin 1916
Pagiophyllum kurrii Pomel 1872
Pagiophyllum peregrinum Lindley and Hutton 1833
+
Invalid names: Walchia variabilis Emmons 1857 [synonym]
Pagiophyllum simile Newberry 1888
Pagiophyllum steenstrupi Bartolin 1914
Pagiophyllum williamsonis Brongniart 1849
G. †Phoenicopsis Heer 1876
+
Phoenicopsis speciosa Heer 1876
G. †Phyllocladopsis Fontaine 1889
+
G. †Physematopitys Goeppert 1850
+
Physematopitys goepperti Platen 1907
Fm. Pinaceae Rudolphi 1830
+
Subfm. †Abietineae
+
G. Abies Miller 1754 [fir]
+
Abies balsamea Linnaeus 1753
G. †Abietites Hisinger 1837
+
Abietites carolinensis Fontaine 1883
Abietites cretacea Newberry 1898
Abietites dubius Lesquereux 1868
Abietites ernestinae Lesquereux 1874
Abietites foliosus Fontaine 1890
Abietites linkii Roemer 1839
Abietites longifolius Berry 1911
Abietites macrocarpus Fontaine 1890
+
Invalid names: Abietites angusticarpus Fontaine 1890 [synonym], Abietites ellipticus Fontaine 1890 [synonym]
Abietites marylandicus Fontaine 1905
Abietites setiger Lesquereux 1872
Abietites tyrrellii Dawson 1885
G. †Cedroxylon Kraus 1870
G. Cedrus Trew 1757 [cedar]
+
Cedrus leei Fontaine 1905
G. †Elatides Heer 1876
+
Elatides curvifolia Dunker 1846
G. Larix Miller 1768 [larch]
+
Larix churchbridgensis Penhallow 1892
Larix laricina Koch 1873
G. †Paracedroxylon Sinnott 1909
+
G. Picea Dietrich 1824 [spruce]
+
Picea albertensis Penhallow 1908
Picea cliffwoodensis Berry 1906
Picea columbiensis Penhallow 1907 [spruce]
Picea harrimani Knowlton 1904
Picea mariana Miller 1768
Picea quilchensis Penhallow 1908
Picea sitchensis Bongard 1832
Picea tranquillensis Penhallow 1908
G. †Pinites Lindley and Hutton 1831
+
Pinites pannonicus Unger 1845
G. Pinus Linnaeus 1753 [pine]
+
Pinus andraei Coemans 1867
Pinus anthraciticus Dawson 1892
Pinus armstrongi Heer 1868
Pinus attenuata Lemmon 1892
Pinus bathursti Heer 1868
Pinus canadensis Linnaeus 1763
Pinus caribaea Morelet 1855
Pinus columbiana Penhallow 1907
Pinus conoides Perkins 1904
Pinus cuneatus Perkins 1904
Pinus delicatulus Berry 1904
Pinus echinata Miller 1768
Pinus florissanti Lesquereux 1883
Pinus gracilistrobus Knowlton 1899
Pinus granulatum Heer 1883
Pinus hambachi Kirchner 1898
Pinus iddingsi Knowlton 1899
Pinus lardyana Heer 1855
Pinus lindgrenii Knowlton 1901
Pinus macclurii Heer 1868
Pinus macrolepis Knowlton 1899
Pinus mattewanensis Berry 1903
Pinus nordenskioeldi Heer 1876
Pinus premurrayana Knowlton 1899
Pinus protoscleropitys Holden 1913
Pinus quenstedti Heer 1869
Pinus quinquefolia Hollick and Jeffrey 1909
Pinus radiata Don 1837
Pinus raritanensis Berry 1910
Pinus rigida Miller 1768
Pinus scituatensiformis Bailey 1911
Pinus shastensis Fontaine 1905
Pinus steenstrupiana Heer 1908
Pinus strobus Linnaeus 1753
Pinus sturgisi Cockerell 1908
Pinus susquaensis Dawson 1882
Pinus taeda Linnaeus 1753
Pinus tetraphylla Jeffrey 1908
Pinus triphylla Hollick and Jeffrey 1909
Pinus trunculus Dawson 1888
Pinus tulameenensis Penhallow 1908
Pinus vernonensis Ward 1905
+
Invalid names: Pinus schista Ward 1905 [synonym]
Pinus wardii Knowlton 1899
Pinus wheeleri Cockerell 1908
G. †Pityophyllum Nathorst 1899
+
G. †Pityoxylon Kraus 1870
+
Pityoxylon aldersoni Knowlton 1898
Pityoxylon amethystinum Knowlton 1899
Pityoxylon annulatum Platen 1907
Pityoxylon anomalum Holden 1913
Pityoxylon columbina Penhallow 1907
Pityoxylon dakotense Knowlton 1900
Pityoxylon fallax Felix 1896
Pityoxylon foliosum Holden 1913
Pityoxylon hollicki Knowlton 1897
Pityoxylon inaequale Felix 1886
Pityoxylon macclurii Cramer 1870
Pityoxylon pealei Knowlton 1896
Pityoxylon scituatense Jeffrey and Chrysler 1906
Pityoxylon statenense Jeffrey and Chrysler 1906
Pityoxylon vateri Platen 1907
Invalid names: Pinoxylon Knowlton 1900 [synonym]
G. †Prepinus Jeffrey 1908
+
Prepinus statenensis Jeffrey 1908
Prepinus viticetensis Jeffrey 1910
G. Pseudotsuga Carrière 1867
+
Pseudotsuga miocena Penhallow 1903
Pseudotsuga taxifolia Lambert 1803
G. Tsuga Carrière 1855
+
Tsuga mertensiana Bongard 1832
Subfm. †Cupressineae
+
G. Callitris Ventenat 1808
G. †Cupressinoxylon Göppert 1850
+
Cupressinoxylon arkansanum Knowlton 1889
Cupressinoxylon bibbinsi Knowlton 1896
Cupressinoxylon calli Knowlton 1889
Cupressinoxylon cheyennense Penhallow 1900
Cupressinoxylon coloradense Knowlton 1918
Cupressinoxylon columbianum Knowlton 1889
Cupressinoxylon comanchense Penhallow 1900
Cupressinoxylon dawsoni Penhallow 1903
Cupressinoxylon distichum Mercklin 1856
Cupressinoxylon dubium Cramer 1868
Cupressinoxylon elongatum Knowlton 1919
Cupressinoxylon erraticum Mercklin 1856
Cupressinoxylon glasgowi Knowlton 1888
Cupressinoxylon pulchellum Knowlton 1889
Cupressinoxylon pulchrum Cramer 1868
Cupressinoxylon taxodioides Conwentz 1878
Cupressinoxylon vermejoense Knowlton 1918
G. †Cupressites Brongniart 1828
+
Cupressites cookii Newberry 1868
G. Cupressus Linnaeus 1753
+
Cupressus macrocarpa Hartweg 1847
G. †Frenelopsis Schenk 1869
+
Frenelopsis hoheneggeri Schenk 1869
Frenelopsis parceramosa Fontaine 1889
Frenelopsis ramosissima Fontaine 1889
Frenelopsis varians Fontaine 1893
G. Juniperus Linnaeus 1753 [juniper]
+
Juniperus californica Carrière 1850
Juniperus haydenii Lesquereux 1874
Juniperus hypnoides Heer 1882
Juniperus virginiana Linnaeus 1753
G. Libocedrus Endlicher 1847
+
Libocedrus coloradensis Cockerell 1907
G. †Moriconia Debey and Ettingshausen 1859
+
Moriconia americana Berry 1910
Moriconia cyclotoxon Debey and Ettingshausen 1859
G. †Paracupressinoxylon Holden 1913
+
Paracupressinoxylon potomacense Sinnott and Bartlett 1916
G. Sabina Miller 1758
+
Sabina linguaefolia Lesquereux 1883
G. Thuites Sternberg 1823
+
Thuites alaskensis Lesquereux 1882
Thuites meriani Heer 1873
G. Thuja Linnaeus 1753
+
Thuja cretacea Heer 1882
Thuja garmani Lesquereux 1872
Thuja gracilis Newberry 1868
Thuja interrupta Newberry 1868
Thuja occidentalis Linnaeus 1753
G. †Thuyoxylon Unger 1842
+
Thuyoxylon americanum Unger 1852
G. †Voltzia Brongniart 1828
+
Voltzia coburgensis Schauroth 1852
G. †Widdringtonia Endlicher 1842
+
Widdringtonia complanata Lesquereux 1875
G. †Widdringtonites Endlicher 1847
+
Widdringtonites reichii Ettingshausen 1867
Subfm. Taxodieae
+
G. †Athrotaxis Don 1839
+
Athrotaxis eolignitica Berry 1916
G. †Athrotaxopsis Fontaine 1889
+
Athrotaxopsis expansa Fontaine 1890
Athrotaxopsis grandis Fontaine 1889
+
Invalid names: Athrotaxopsis pachyphylla Fontaine 1889 [synonym], Athrotaxopsis tenuicaulis Fontaine 1889 [synonym]
G. †Cunninghamites Presl 1838
+
Cunninghamites elegans Corda 1846
Cunninghamites recurvatus Hosius and von der Marck 1900
G. †Cyparissidium Heer 1874
+
Cyparissidium gracile Heer 1868
G. †Geinitzia Endlicher 1847
+
Geinitzia biforma Lesquereux 1875
Geinitzia formosa Heer 1871
Geinitzia jenneyi Fontaine 1899
G. Glyptostrobus Endlicher 1847 [Chinese swamp cypress]
+
Glyptostrobus europaeus Brongniart 1833
G. †Inolepis Heer 1874
G. †Pseudogeinitzia Hollick and Jeffrey 1909
+
Pseudogeinitzia sequoiiformis Hollick and Jeffrey 1909
G. Sequoia Endlicher 1847 [coast redwood]
+
Sequoia acuminata Lesquereux 1875
Sequoia acutifolia Newberry 1891
Sequoia affinis Lesquereux 1876
Sequoia albertensis Penhallow 1908
Sequoia ambigua Heer 1878
+
Invalid names: Arthrotaxopsis expansa Fontaine 1906 [synonym], Sphenolepidium dentifolium Fontaine 1889 [synonym], Sphenolepidium recurvifolium Fontaine 1889 [synonym]
Sequoia angustifolia Lesquereux 1872
Sequoia brevifolia Heer 1868
Sequoia burgessii Penhallow 1903
Sequoia charlottensis Knowlton 1919
Sequoia concinna Heer 1906
Sequoia condita Lesquereux 1875
Sequoia couttsiae Heer 1862
Sequoia cuneata Newberry 1863
Sequoia delicatula Fontaine 1889
Sequoia fairbanksi Fontaine 1905
Sequoia fastigiata Sternberg 1833
Sequoia formosa Lesquereux 1868
Sequoia gracilis Heer 1873
Sequoia heerii Lesquereux 1871
Sequoia heterophylla Velenovsky 1885
Sequoia langsdorfii Heer 1877
Sequoia longifolia Lesquereux 1875
Sequoia magnifica Knowlton 1898
Sequoia magnifolia Knowlton 1916
Sequoia minor Velenovsky 1886
Sequoia obovata Knowlton 1916
Sequoia pagiophylloides Fontaine 1893
Sequoia penhallowi Jeffrey 1904
Sequoia reichenbachi Heer 1868
+
Invalid names: Sequoia densifolia Fontaine 1889 [synonym], Sequoia inferna Ward 1905 [synonym]
Sequoia rigida Heer 1873
Sequoia sempervirens Don 1824 [coast redwood]
Sequoia smittiana Heer 1872
Sequoia spinosa Newberry 1882
Sequoia winchellii Lesquereux 1884
G. †Sphenolepidium Heer 1881
+
Sphenolepidium oregonense Fontaine 1905
Sphenolepidium pachyphyllum Fontaine 1889
G. Taxodioxylon Hartig 1848
+
Taxodioxylon credneri Platen 1907
G. Taxodium Richard 1810
+
Taxodium distichum Linnaeus 1753 [bald cypress]
Taxodium dubium Sternberg 1824
+
Invalid names: Taxodium nevadensis Lesquereux 1873 [synonym]
Taxodium laramianum Penhallow 1904
Taxodium occidentale Newberry 1863
Taxodium tinajorum Heer 1871
Taxodium virginicum Fontaine 1889
G. †Pityoidolepis Hollick and Jeffrey 1909
+
Pityoidolepis statenensis Hollick and Jeffrey 1909
G. †Ptenostrobus Lesquereux 1874
+
Ptenostrobus nebrascensis Lesquereux 1874
G. †Raritania Hollick and Jeffrey 1909
+
Raritania gracilis Newberry 1895
G. †Schizolepis Braun 1847
+
G. †Sphenaspis Hollick and Jeffrey 1909
+
Sphenaspis statenensis Hollick and Jeffrey 1909
G. †Strobilites Lindley and Hutton 1833
+
Strobilites anceps Berry 1914
Strobilites davisii Hollick and Jeffrey 1909
Strobilites inquirendus Hollick 1897
Strobilites microsporophorus Hollick and Jeffrey 1909
Strobilites perplexus Hollick 1906
Fm. Taxaceae Gray 1822 [yew]
+
+
G. †Nageiopsis Fontaine 1889
+
Nageiopsis angustifolia Fontaine 1889
Nageiopsis longifolia Fontaine 1889
+
Invalid names: Nageiopsis crassicaulis Fontaine 1889 [synonym]
Nageiopsis obtusifolia Fontaine 1889
Nageiopsis zamioides Fontaine 1889
+
Invalid names: Nageiopsis decrescens Fontaine 1889 [synonym], Nageiopsis heterophylla Fontaine 1889 [synonym], Nageiopsis microphylla Fontaine 1889 [synonym], Nageiopsis ovata Fontaine 1889 [synonym], Nageiopsis recurvata Fontaine 1889 [synonym]
G. †Palissya Endlicher 1847
+
Palissya brevifolia Emmons 1857
Palissya diffusa Emmons 1856
+
Invalid names: Walchia gracile Emmons 1857 [synonym]
Palissya longifolia Wherry 1916
Palissya sphenolepis Braun 1843
+
Invalid names: Walchia longifolius Emmons 1856 [synonym]
G. †Podocarpites Andra 1855
+
Podocarpites tyrrellii Dawson 1887
G. †Podocarpoxylon Gothan 1905
+
Podocarpoxylon mcgeei Knowlton 1889
G. Podocarpus L'Heritier and Persoon 1807
+
Podocarpus stantoni Knowlton 1916
Subfm. Taxeae
+
G. †Cephalotaxopsis Fontaine 1889
+
Cephalotaxopsis brevifolia Fontaine 1889
+
Invalid names: Cephalotaxopsis microphylla Fontaine 1889 [synonym]
Cephalotaxopsis magnifolia Fontaine 1889
+
Invalid names: Cephalotaxopsis rhytidodes Ward 1905 [synonym]
Cephalotaxopsis ramosa Fontaine 1889
G. †Cephalotaxospermum Berry 1910
+
G. Cephalotaxus Siebold and Zuccarini 1842
+
Cephalotaxus coloradensis Knowlton 1916
G. †Protophyllocladus Berry 1903
+
Protophyllocladus polymorphus Lesquereux 1859
+
Invalid names: Thinnfeldia montana Knowlton 1898 [synonym]
+
Invalid names: Thinnfeldia lesquereuxiana Heer 1882 [synonym]
G. †Taxites Brongniart 1828
+
Taxites microphyllus Heer 1869
Taxites olriki Heer 1868
Taxites zamioides Leckenby 1864
G. Tumion Rafinesque 1840
+
Tumion carolinianum Berry 1908
Tumion densifolium Dawson 1882
Tumion dicksonioides Dawson 1882
Tumion falcatum Fontaine 1889
Tumion oblanceolatum Lesquereux 1883
Tumion virginicum Fontaine 1889
Or. Cycadales Dumortier 1829
+
Fm. Cycadaceae Persoon 1807
+
G. †Anomozamites Schimper 1870
+
Anomozamites egyptiacus Fontaine 1900
Anomozamites princeps Oldham and Morris 1862
G. †Ctenis Lindley and Hutton 1834
+
Ctenis auriculata Fontaine 1896
Ctenis grandifolia Fontaine 1896
Ctenis imbricata Fontaine 1889
Ctenis orovillensis Fontaine 1896
Ctenis sulcicaulis Phillips 1829
Ctenis wardii Fontaine 1896
G. †Ctenophyllum Schimper 1870
+
Ctenophyllum angustifolium Fontaine 1896
Ctenophyllum braunianum Göppert 1844
+
Invalid names: Pterophyllum decussatum Emmons 1856 [synonym], Pterophyllum spatulatum Emmons 1857 [synonym], Pterozamites abbreviatus Braun 1843 [synonym], Pterozamites obtusifolius Rogers 1843 [synonym]
Ctenophyllum densifolium Fontaine 1896
Ctenophyllum giganteum Fontaine 1883
Ctenophyllum grandifolium Fontaine 1883
Ctenophyllum lineare Emmons 1857
Ctenophyllum pachynerve Fontaine 1905
Ctenophyllum taxinum Lindley and Hutton 1835
Ctenophyllum truncatum Fontaine 1883
Ctenophyllum wannerianum Fontaine 1900
Ctenophyllum wardii Fontaine 1896
G. †Ctenopsis Berry 1911
G. †Ctenopteris Saporta 1872
+
Ctenopteris angustifolia Fontaine 1889
Ctenopteris columbiensis Penhallow 1902
Ctenopteris insignis Fontaine 1889
+
Invalid names: Ctenopteris minor Fontaine 1889 [synonym], Ctenopteris virginiensis Fontaine 1889 [synonym]
Ctenopteris longifolia Fontaine 1889
G. †Cycadeomyelon Saporta 1875
+
Cycadeomyelon yorkense Fontaine 1900
G. †Cycadeospermum Saporta 1874
+
Cycadeospermum acutum Fontaine 1889
Cycadeospermum angustum Fontaine 1889
Cycadeospermum californicum Fontaine 1905
Cycadeospermum columnare Lesquereux 1891
Cycadeospermum lineatum Lesquereux 1891
Cycadeospermum montanense Fontaine 1905
Cycadeospermum obovatum Fontaine 1889
Cycadeospermum oregonense Fontaine 1905
Cycadeospermum ovatum Fontaine 1905
Cycadeospermum rotundatum Fontaine 1889
Cycadeospermum spatulatum Fontaine 1889
+
Invalid names: Cycadeospermum ellipticum Fontaine 1889 [synonym]
Cycadeospermum wanneri Fontaine 1900
G. †Cycadinocarpus Schimper 1870
+
Cycadinocarpus chapini Newberry 1888
Cycadinocarpus circularis Newberry 1895
G. †Cycadites Buckland 1836
+
Cycadites acutus Emmons 1856
Cycadites pungens Lesquereux 1891
Cycadites tenuinervis Fontaine 1883
Cycadites unjiga Dawson 1882
G. †Cycadospadix Schimper 1870
G. Cycas Linnaeus 1753
G. †Dichotozamites Berry 1911
+
Dichotozamites cycadopsis Fontaine 1889
G. †Dioonites Miquel 1851
+
Dioonites borealis Dawson 1882
Dioonites buchianus Ettingshausen 1852
+
Invalid names: Pterophyllum abietinum Göppert 1816 [synonym]
Dioonites columbianus Dawson 1873
Dioonites dunkerianus Göppert 1843
G. †Encephalartopsis Fontaine 1889
+
Encephalartopsis nervosa Fontaine 1889
G. Encephalartos Lehmann 1834 [bread tree]
+
Encephalartos cretaceus Lesquereux 1891
G. †Glossozamites Schimper 1870
+
Glossozamites distans Fontaine 1889
G. †Microzamia Corda 1846
+
Microzamia dubia Berry 1905
G. †Nilsonia Brongniart 1825
+
Nilsonia californica Fontaine 1894
Nilsonia compta Phillips 1905
Nilsonia gibbsii Newberry 1863
+
Invalid names: Nilsonia johnstrupi Heer 1882 [synonym]
Nilsonia lata Dawson 1882
Nilsonia nigracollensis Wieland 1905
Nilsonia nipponensis Yokoyama 1889
Nilsonia oregonensis Fontaine 1905
Nilsonia orientalis Heer 1878
Nilsonia parvula Heer 1876
Nilsonia pasaytensis Penhallow 1907
Nilsonia polymorpha Schenk 1867
Nilsonia pterophylloides Nathorst 1878
Nilsonia sambucensis Ward 1905
Nilsonia schaumbergensis Dunker 1889
Nilsonia stantoni Ward 1905
G. †Otozamites Braun 1843
+
Otozamites bornholmensis Möller 1902
Otozamites brevifolius Braun 1843
Otozamites carolinensis Fontaine 1883
+
Invalid names: Albertia latifolia Emmons 1857 [replaced]
Otozamites giganteus Thomas 1911
Otozamites latior Saporta 1873
Otozamites macombii Newberry 1859
Otozamites oregonensis Fontaine 1905
Otozamites pterophylloides Brongniart 1870
G. †Platypterygium Feistmantel 1886
+
Platypterygium densinerve Fontaine 1889
Platypterygium rogersianum Fontaine 1889
G. †Podozamites Braun 1843
+
Podozamites acuminatus Hollick 1895
Podozamites acutifolius Fontaine 1889
+
Invalid names: Nageiopsis acuminata Fontaine 1889 [synonym]
Podozamites carolinensis Fontaine 1900
Podozamites distans Presl 1838
Podozamites distantinervis Fontaine 1889
+
Invalid names: Podozamites pedicellatus Fontaine 1889 [synonym]
Podozamites emmonsii Newberry 1866
+
Invalid names: Podozamites lanceolatus Emmons 1856 [synonym]
Podozamites formosus Brown 1911
Podozamites grandifolius Fontaine 1889
Podozamites haydenii Lesquereux 1868
+
Invalid names: Nageiopsis montanensis Fontaine 1889 [synonym]
Podozamites knowltoni Berry 1909
+
Invalid names: Podozamites angustifolius Eichwald 1860 [synonym]
Podozamites lanceolatus Lindley and Hutton 1840
+
Invalid names: Podozamites eichwaldi Schimper 1870 [synonym]
Podozamites longifolius Emmons 1856
Podozamites newberryi Knowlton 1919
+
Invalid names: Podozamites nervosa Newberry 1891 [replaced]
Podozamites oblongus Lesquereux 1883
Podozamites pachynervis Fontaine 1905
Podozamites pachyphyllus Fontaine 1905
Podozamites proximans Conrad 1869
Podozamites stenopus Lesquereux 1891
Podozamites subfalcatus Fontaine 1889
+
Invalid names: Zamites ovalis Fontaine 1889 [synonym]
G. †Pterophyllum Brongniart 1828
+
Pterophyllum aequale Brongniart 1825
Pterophyllum affine Nathorst 1879
Pterophyllum alaskense Fontaine 1905
Pterophyllum contiguum Schenk 1883
Pterophyllum daleanum Ward 1900
+
Invalid names: Pterophyllum pectinatum Emmons 1857 [replaced]
Pterophyllum inaequale Fontaine 1883
Pterophyllum lepidum Heer 1874
Pterophyllum minus Brongniart 1825
Pterophyllum montanense Fontaine 1892
Pterophyllum nathorsti Schenk 1883
Pterophyllum trilobatum Lesquereux 1875
G. †Ptilozamites Nathorst 1878
+
G. †Sphenozamites Brongniart 1849
+
Sphenozamites oblanceolatus Penhallow 1902
Sphenozamites rogersianus Fontaine 1883
+
Invalid names: Calamites punctatus Emmons 1857 [synonym]
G. †Williamsonia Carruthers 1870
+
Williamsonia elocata Lesquereux 1891
Williamsonia oregonensis Fontaine 1905
Williamsonia recentior Dawson 1885
Williamsonia riesii Hollick 1892
Williamsonia smockii Newberry 1895
Williamsonia texana Fontaine 1893
Williamsonia virginiensis Fontaine 1889
G. Zamia Linnaeus 1763
+
Zamia mississippiensis Berry 1916
Zamia wilcoxensis Berry 1916
G. †Zamiopsis Fontaine 1889
+
Zamiopsis dentata Fontaine 1889
+
Invalid names: Zamiopsis longipennis Fontaine 1889 [synonym], Zamiopsis pinnatifida Fontaine 1889 [synonym]
Zamiopsis laciniata Fontaine 1889
Zamiopsis petiolata Fontaine 1889
G. †Zamiostrobus Endlicher 1836
+
Zamiostrobus virginiensis Fontaine 1883
G. †Zamites Brongniart 1828
+
Zamites acutipennis Heer 1872
Zamites alaskana Fontaine 1888
Zamites apertus Newberry 1891
Zamites arcticus Göppert 1863
Zamites borealis Heer 1873
Zamites brevipennis Heer 1899
Zamites crassinervis Fontaine 1889
Zamites distantinervis Fontaine 1889
Zamites montana Dawson 1885
Zamites occidentalis Newberry 1859
Zamites pennsylvanicus Fontaine 1900
Zamites powelli Fontaine 1890
Zamites tenuinervis Fontaine 1905
+
Invalid names: Zamia washingtoniana Ward 1895 [synonym], Zamites subfalcatus Fontaine 1889 [synonym]
Zamites velderi Brown 1911
Zamites yorkensis Fontaine 1900
Or. Ginkgoales Goroschankin 1904
+
Fm. †Ginkgoaceae Engler
+
G. †Baiera Braun 1843
+
Baiera foliosa Fontaine 1889
Baiera gracilis Bean 1843
Baiera grandis Hollick 1906
Baiera incurvata Heer 1882
Baiera longifolia Pomel 1847
Baiera muensteriana Presl 1838
Baiera multifida Fontaine 1883
+
Invalid names: Noeggerathia striata Emmons 1857 [synonym]
G. Ginkgo Linnaeus 1771 [ginkgo]
+
Ginkgo acetaria Ward 1905
Ginkgo adiantoides Unger 1845
Ginkgo dawsoni Knowlton 1919
+
Invalid names: Ginkgo pusilla Dawson 1893 [replaced]
Ginkgo digitata Brongniart 1830
Ginkgo huttoni Sternberg 1833
Ginkgo laramiensis Ward 1885
Ginkgo lepida Heer 1885
Ginkgo nana Dawson 1885
Ginkgo sibirica Heer 1885
+
Invalid names: Baiera brevifolia Newberry 1891 [synonym]
Invalid names: Salisburia Ettinghausen and Gardner 1879 [synonym]
Or. Gnetales Martius 1835
+
Invalid names: Gnetaceae Lindley 1834 [empty]
G. †Spiraxis Newberry 1885
+
Spiraxis bivalvis Ward 1885
G. Vicia Linnaeus 1753 [vetch]
G. Xanthium Linnaeus 1753 [cocklebur]
Invalid names: Trichopteris Hall 1845 [nomen dubium]
G. Engelhardia Blume 1825
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Engelhardia oxyptera Saporta 1865
Fm. †Vitaceae Jussieu 1789
show all | hide all
G. Ampelopsis Michaux 1803
+
Ampelopsis bruneri Ward 1885
+
Invalid names: Vitis carbonensis Ward 1885 [synonym]
Ampelopsis montanensis Cockerell 1908
Ampelopsis tertiaria Lesquereux 1871
G. †Cissites Debey 1866
+
Cissites acerifolius Lesquereux 1891
Cissites acuminatus Lesquereux 1875
Cissites acutiloba Hollick 1895
Cissites affinis Lesquereux 1872
Cissites alatus Lesquereux 1891
Cissites brownii Lesquereux 1891
Cissites crispus Velenovsky 1885
Cissites dentatolobatus Lesquereux 1891
Cissites formosus Heer 1882
Cissites harkerianus Lesquereux 1872
Cissites heerii Lesquereux 1875
Cissites ingens Lesquereux 1891
Cissites insignis Heer 1866
Cissites microphyllus Lesquereux 1887
Cissites newberryi Berry 1916
+
Invalid names: Cissites crispus Newberry 1895 [replaced]
Cissites obtusilobus Lesquereux 1891
Cissites panduratus Knowlton 1918
Cissites parvifolius Fontaine 1889
+
Invalid names: Vitiphyllum multifidum Fontaine 1889 [synonym]
Cissites platanoidea Hollick 1895
Cissites populoides Lesquereux 1891
G. Cissus Linnaeus 1753
+
Cissus browniana Lesquereux 1884
Cissus corylifolia Lesquereux 1888
Cissus duplicatoserrata Lesquereux 1888
Cissus grossedentata Knowlton 1918
Cissus haguei Knowlton 1899
Cissus lesquereuxii Knowlton 1919
+
Invalid names: Cissus tricuspidata Heer 1869 [replaced]
Cissus lobatocrenata Lesquereux 1872
G. Hedera Linnaeus 1753 [ivy]
+
Hedera auriculata Heer 1869
Hedera bruneri Ward 1885
Hedera cecilensis Berry 1910
Hedera cretacea Lesquereux 1891
Hedera decurrens Lesquereux 1891
Hedera macclurii Heer 1868
Hedera marginata Lesquereux 1883
Hedera microphylla Lesquereux 1891
Hedera minima Ward 1885
Hedera obliqua Newberry 1891
Hedera ovalis Lesquereux 1874
Hedera parvula Ward 1885
Hedera platanoidea Lesquereux 1874
Hedera primordialis Saporta 1879
Hedera rotundifolia Knowlton 1918
Hedera schimperi Lesquereux 1875
Hedera simplex Hollick 1906
G. †Hederaephyllum Fontaine 1889
+
Hederaephyllum crenulatum Fontaine 1889
+
Invalid names: Hederaephyllum dentatum Fontaine 1889 [synonym]
G. †Parthenocissus Planchon 1887
+
Parthenocissus osborni Cockerell 1908
G. †Vitiphyllum Fontaine 1889
+
Vitiphyllum crassifolium Fontaine 1889
G. Vitis Linnaeus 1753 [grapevine]
+
Vitis aestivalis Michaux 1803
Vitis alaskana Cockerell 1908
+
Invalid names: Vitis rotundifolia Newberry 1882 [replaced]
Vitis florissantella Cockerell 1908
Vitis fragmenta Knowlton 1918
Vitis hesperia Knowlton 1916
Vitis inominata Knowlton 1918
Vitis islandica Heer 1868
Vitis leei Knowlton 1918
Vitis olriki Heer 1868
Vitis platanifolia Knowlton 1918
Vitis rotundifolia Michaux 1803
Vitis sparsa Lesquereux 1878
G. †Calycites Massalongo 1856
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Calycites alatus Hollick 1904
Calycites diospyriformis Newberry 1895
Calycites obovatus Hollick 1906
Calycites ostryaformis Berry 1916
Calycites parvus Newberry 1895
Calycites polysepala Newberry 1868
Calycites sexpartitus Berry 1919
G. †Carpites Schimper 1874
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Carpites alatus Knowlton 1916
Carpites baueri Knowlton 1916
Carpites bursaeformis Lesquereux 1878
Carpites cocculoides Heer 1869
Carpites coffeaeformis Lesquereux 1878
Carpites coniger Lesquereux 1891
Carpites cordiformis Lesquereux 1891
Carpites costatus Lesquereux 1878
Carpites dakotensis Knowlton 1919
Carpites fragariaeformis Lesquereux 1888
Carpites gemmaceus Lesquereux 1883
Carpites glumaeformis Lesquereux 1878
Carpites inequalis Perkins 1904
Carpites judithae Knowlton 1916
Carpites laurineus Lesquereux 1878
Carpites ligatus Lesquereux 1878
Carpites lineatus Newberry 1868
Carpites liriophylli Lesquereux 1883
Carpites milioides Lesquereux 1883
Carpites minutulus Lesquereux 1878
Carpites mitratus Lesquereux 1878
Carpites obovatus Lesquereux 1891
Carpites ovalis Perkins 1904
Carpites oviformis Lesquereux 1878
Carpites pealei Lesquereux 1878
Carpites pedunculatus Knowlton 1899
Carpites pruni Knowlton 1916
Carpites rhomboidalis Lesquereux 1878
Carpites spiralis Lesquereux 1871
Carpites tiliaceus Heer 1869
Carpites triangulosus Lesquereux 1878
Carpites trigonus Perkins 1904
Carpites utahensis Lesquereux 1878
Carpites valvatus Lesquereux 1878
Carpites viburni Lesquereux 1875
G. †Carpolithes Schlotheim 1820
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Carpolithes brandoniana Lesquereux 1861
Carpolithes bucklandii Lindley and Hutton 1836
Carpolithes corrugatus Lesquereux 1878
Carpolithes dentatus Penhallow 1890
Carpolithes emarginatus Perkins 1904
Carpolithes falcatus Lesquereux 1872
Carpolithes hitchcockii Perkins 1904
Carpolithes irregularis Lesquereux 1861
Carpolithes macrophyllus Cockerell 1911
Carpolithes mucronatus Perkins 1904
Carpolithes osseus Lesquereux 1873
Carpolithes ovatus Perkins 1904
Carpolithes seminulum Heer 1868
Carpolithes simplex Perkins 1904
Carpolithes solidus Perkins 1904
Carpolithes spinosus Newberry 1882
Carpolithes vermontanus Perkins 1904
G. †Sphenolepis Agassiz 1843
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Sphenolepis kurriana Dunker 1846
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Invalid names: Glyptostrobus fastigiatus Fontaine 1889 [synonym], Sphenolepidium parceramosum Fontaine 1889 [synonym], Sphenolepidium virginicum Fontaine 1889 [synonym], Taxodium denticulatum Fontaine 1889 [synonym], Taxodium expansum Fontaine 1889 [synonym]
G. †Cyclopteris Brongniart 1828
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Cyclopteris moquensis Newberry 1858
G. †Carpolithus Linnaeus 1768
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Carpolithus agglomeratus Fontaine 1889
Carpolithus barrensis Ward 1899
Carpolithus brookensis Fontaine 1889
Carpolithus conjugatus Fontaine 1889
Carpolithus curvatus Fontaine 1889
Carpolithus douglasensis Fontaine 1905
Carpolithus drupaeformis Hollick 1897
Carpolithus elongatus Fontaine 1905
Carpolithus euonymoides Hollick 1906
Carpolithus fasciculatus Fontaine 1889
Carpolithus floribundus Newberry 1895
Carpolithus foenarius Ward 1899
Carpolithus geminatus Fontaine 1889
Carpolithus harveyi Fontaine 1893
Carpolithus henryensis Berry 1916
Carpolithus hirsutus Newberry 1895
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Invalid names: Carpolithus dubius Berry 1903 [synonym]
Carpolithus latus Fontaine 1889
Carpolithus najasoides Berry 1918
Carpolithus obovatus Fontaine 1873
Carpolithus oregonensis Fontaine 1905
Carpolithus ovaeformis Newberry 1895
Carpolithus proteoides Berry 1916
Carpolithus sessilis Fontaine 1889
Carpolithus sophorites Berry 1916
Carpolithus ternatus Fontaine 1889
Carpolithus vaccinioides Hollick 1906
Carpolithus virginiensis Fontaine 1889
Carpolithus woodbridgensis Newberry 1895
G. Pieris Don 1834
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Pieris scorbiculata Hollick 1904
Unr. Fungi Jahn and Jahn 1959
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G. †Cladosporites Felix 1894
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Cladosporites ligniperditor Whitford 1914
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G. †Spegazzinites Felix 1894
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G. †Ovularites Whitford 1916
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Ovularites barbouri Whitford 1916
Unr. †Phycomycetes
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G. †Peronosporoides Berry 1916
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Peronosporoides palmi Berry 1916
G. †Leptostrobus Heer 1876
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Leptostrobus alatus Ward 1899
Leptostrobus mariposensis Fontaine 1900
Leptostrobus multiflorus Fontaine 1889
Leptostrobus ovalis Ward 1905
G. †Samaropsis Göppert 1864
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Samaropsis oregonensis Fontaine 1905
G. †Neuropteris Brongniart 1828
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Neuropteris acutifolia Grewingk 1849
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G. Opegrapha Acharius 1809
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Opegrapha antiqua Lesquereux 1872
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G. †Caenomyces Berry 1916
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Caenomyces annulata Berry 1916
Caenomyces cassiae Berry 1916
Caenomyces laurinea Berry 1916
Caenomyces sapotae Berry 1916
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G. Didymosphaeria Fuckel 1870
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Didymosphaeria betheli Cockerell 1908
G. †Sphaerites Unger 1850
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Sphaerites alabamensis Berry 1919
Sphaerites lesquereuxi Meschinelli 1892
Sphaerites myricae Lesquereux 1872
Sphaerites problematicus Knowlton 1891
Or. †Uredinales [rust]
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G. †Puccinites Ettingshausen 1853
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Puccinites whitfordi Knowlton 1919
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Invalid names: Puccinites cretaceum Whitford 1916 [replaced]
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Or. Agaricales Underwood 1899 [gilled mushroom]
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Fm. Agaricaceae Chevallier 1826
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G. †Agaricites Meschinelli 1892
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Agaricites conwentzi Platen 1907
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G. Geaster Micheli 1772
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Geaster florissantensis Cockerell 1908
G. †Caulinites Brongniart 1828
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Caulinites beckeri Lesquereux 1887
Caulinites sparganioides Lesquereux 1872
G. †Yuccites Martius 1822
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Yuccites hettangensis Saporta 1870
G. †Feistmantelia Ward 1899
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Feistmantelia oblonga Ward 1899
Feistmantelia virginica Fontaine 1905
G. †Lepacyclotes Emmons 1856
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Lepacyclotes circularis Emmons 1856
Lepacyclotes ellipticus Emmons 1856
Invalid names: Araucarites carolinensis Fontaine 1883 [nomen dubium]
G. Pimelea Banks and Gaertner 1878
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Pimelea delicatula Lesquereux 1883
G. †Myrtophyllum Heer 1869
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Myrtophyllum sapindoides Hollick 1912
Allantodiopsis erosa Lesquereux 1878
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Invalid names: Osmunda major Lesquereux 1883 [synonym], Pteris subsimplex Lesquereux 1873 [synonym], Pteris undulata Lesquereux 1888 [synonym]
G. Leucaena Bentham 1842
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Leucaena coloradensis Cockerell 1908
G. †Gymnocaulus Emmons 1856
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Gymnocaulus alternatus Emmons 1856
G. †Dyctuocaulus Emmons 1856
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