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Dryopteris
Taxonomy
Dryopteris was named by Adanson (1763). It is extant.
It was assigned to Filices by Knowlton (1899); to Polypodiaceae by Knowlton (1919); to Dryopteridaceae by Chauhan (1991) and Mabberley (2000); and to Dryopteridoideae by I (2016).
It was assigned to Filices by Knowlton (1899); to Polypodiaceae by Knowlton (1919); to Dryopteridaceae by Chauhan (1991) and Mabberley (2000); and to Dryopteridoideae by I (2016).
Species
D. arguta (syn. Aspidium lakesii, Sphenopteris membranacea), D. civica, D. cladophleboides, D. coloradensis, D. gleichenoides, D. indica, D. kennerlyi, D. kootaniensis, D. lakesii, D. lloydii, D. meeteetseana, D. montanensis, D. nigricans, D. polypodioides, D. scansa, D. serrata, D. seymouriensis, D. weedii, D. xantholithensis
Species lacking formal opinion data
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
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 indica Sharma 1971
†Dryopteris kennerlyi Newberry 1863
†Dryopteris kootaniensis Knowlton 1907
†Dryopteris lakesii Knowlton 1930
†Dryopteris lloydii Knowlton 1915
†Dryopteris meeteetseana Brown 1962
†Dryopteris montanensis Fontaine 1892
†Dryopteris nigricans Lesquereux 1873
†Dryopteris polypodioides Ettingshausen 1873
†Dryopteris scansa Cockerell 1908
†Dryopteris serrata Brown 1962
†Dryopteris seymouriensis Dusén 1908
†Dryopteris weedii Knowlton 1899
†Dryopteris xantholithensis Knowlton 1899
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| Spore diameter | 2 | 0.043 | 0.036 | 0.051 | 0.043 | 0.011 |
No ecological data are available
Age range: base of the Late/Upper Jurassic to the top of the Holocene or 161.50000 to 0.00000 Ma
Collections (40 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Jurassic | China (Heilongjiang) | D. sp. 1 (29616) | |
| Late/Upper Jurassic | India (Jharkhand) | D. cladophleboides, D. indica (225504) | |
| Late/Upper Jurassic | China (Jilin) | D. sp. 1 (29583) | |
| Late/Upper Cretaceous | USA (Wyoming) | D. coloradensis (31382) | |
| Late/Upper Cenomanian | USA (Wyoming) | D. coloradensis (31966) | |
| Coniacian - Campanian | Canada (British Columbia) | D. kennerlyi (35217 35218 35219) | |
| Late/Upper Campanian - Early/Lower Maastrichtian | Antarctica | D. sp. (150271) | |
| Late/Upper Campanian - Maastrichtian | Antarctica | D. seymouriensis (150274) | |
| Late/Upper Maastrichtian | Canada (Saskatchewan) | D. carbonensis (54105) | |
| Early/Lower Paleocene | USA (Montana) | D. serrata (53692) | |
| Paleocene | USA (Colorado) | D. lakesi (39899 52932) D. serrata (52953) | |
| Paleocene | USA (Montana) | D. lakesi (53527) | |
| Paleocene | USA (Wyoming) | D. lakesi (57993) D. meeteetseana (40780) D. serrata (57990) | |
| Eocene | USA (Washington) | D. whatcomensis (10643) | |
| Middle Eocene | USA (Wyoming) | D. longipetiolatum (24157) D. weedii (24088) D. xantholithensis (24156) | |
| Priabonian | USA (Washington) | D. whatcomensis (22932 22965 22997) | |
| Chadronian | USA (Colorado) | D. guyottii (24209) | |
| Late/Upper Eocene - Early/Lower Oligocene | USA (Colorado) | D. guyottii (39837 39839 39849 39851) | |
| Oligocene | Argentina (Santa Cruz) | D. sp. (141997) | |
| Oligocene | Argentina (Santa cruz) | D. sp. (141995) | |
| Quaternary | India (West Bengal) | D. sp. (228810) | |
| Rancholabrean | USA (Michigan) | D. sp. (70130 70131 70132) | |
| Late/Upper Pleistocene (late glacial) | USA (Washington) | D. sp. (93677) | |
| Holocene | Argentina (Loberia) | D. sp. (136381 151639) |