Opinions from F. H. Knowlton 1926

  • 'Abietineae was reranked as a subfamily and belongs to Taxaceae'
  • 'Acer belongs to Staphyleaceae'
  • 'Acer bendirei belongs to Acer'
  • 'Acer chaneyi belongs to Acer'
  • 'Acer merriami belongs to Acer'
  • 'Acer minor belongs to Acer'
  • 'Alnus belongs to Betulaceae'
  • 'Anacardiaceae belongs to Sapindales'
  • 'Araceae belongs to Arales'
  • 'Arales belongs to Monocotyledones'
  • 'Archaeomnium belongs to Mniaceae'
  • 'Arisaema belongs to Araceae'
  • 'Arisaema hesperia belongs to Arisaema'
  • 'Betula belongs to Betulaceae'
  • 'Betula bryani belongs to Betula'
  • 'Betula fairii belongs to Betula'
  • 'Betula heteromorpha belongs to Betula' according to Knowlton 1902
  • 'Betula heteromorpha belongs to Betula'
  • 'Betula largei belongs to Betula'
  • 'Betula nanoides belongs to Betula'
  • 'Betula thor belongs to Betula'
  • 'Betulaceae belongs to Fagales'
  • 'Caesalpiniaceae belongs to Rosales'
  • 'Carpinus belongs to Betulaceae'
  • 'Carpites boraginoides belongs to Carpites'
  • 'Carpites ginkgoides belongs to Carpites'
  • 'Carpites magnifica belongs to Carpites'
  • 'Carpites menthoides belongs to Carpites'
  • 'Carpites paulownia belongs to Carpites'
  • 'Carpites polygonoides belongs to Carpites'
  • 'Carpites spokanensis belongs to Carpites'
  • 'Castanea belongs to Betulaceae'
  • 'Celastraceae belongs to Sapindales'
  • 'Celastrus belongs to Celastraceae'
  • 'Celastrus fernquisti belongs to Celastrus'
  • 'Cercis belongs to Caesalpiniaceae'
  • 'Cercis spokanensis belongs to Cercis'
  • 'Coniferales belongs to Gymnospermae'
  • 'Cupressineae was reranked as a subfamily and belongs to Taxaceae'
  • 'Cymbella partita belongs to Cymbella' according to Mann 1926
  • 'Cymbella sagittarius belongs to Cymbella' according to Mann 1926
  • 'Dicotyledones was reranked as a subclass and belongs to Angiospermae'
  • 'Diospyros belongs to Ebenaceae'
  • 'Diospyros andersonae belongs to Diospyros'
  • 'Diospyros microcalyx belongs to Diospyros'
  • 'Drupaceae belongs to Rosales'
  • 'Ebenaceae belongs to Ebenales'
  • 'Ebenales belongs to Dicotyledones'
  • 'Equisetaceae belongs to Equisetales'
  • 'Equisetum belongs to Equisetaceae'
  • 'Ericales is corrected as Ericales and belongs to Dicotyledones'
  • 'Fagales belongs to Dicotyledones'
  • 'Fagus castaneaefolia is recombined as Castanea castaneaefolia'
  • 'Ficus belongs to Moraceae'
  • 'Ficus washingtonensis belongs to Ficus'
  • 'Ginkgo belongs to Ginkgoaceae'
  • 'Ginkgoaceae belongs to Ginkgoales'
  • 'Ginkgoales belongs to Gymnospermae'
  • 'Graminales belongs to Monocotyledones'
  • 'Hamamelidaceae belongs to Rosales'
  • 'Hydrangea belongs to Saxifragaceae'
  • 'Lauraceae belongs to Thymeleales'
  • 'Laurus belongs to Lauraceae'
  • 'Laurus californica belongs to Laurus'
  • 'Laurus grandis belongs to Laurus'
  • 'Laurus princeps belongs to Laurus'
  • 'Laurus similis belongs to Laurus' according to Knowlton 1900
  • 'Laurus similis belongs to Laurus'
  • 'Libocedrus belongs to Cupressineae'
  • 'Libocedrus praedecurrens belongs to Libocedrus'
  • 'Liquidambar belongs to Hamamelidaceae'
  • 'Liquidambar pachyphyllum belongs to Liquidambar'
  • 'Lycopodiaceae belongs to Lycopodiales'
  • 'Lycopodium belongs to Lycopodiaceae'
  • 'Lycopodium hesperium belongs to Lycopodium'
  • 'Magnolia belongs to Magnoliaceae'
  • 'Magnolia dayana belongs to Magnolia'
  • 'Magnoliaceae belongs to Ranales'
  • 'Malva belongs to Malvaceae'
  • 'Malva hesperia belongs to Malva'
  • 'Malvaceae belongs to Malvales'
  • 'Malvales belongs to Dicotyledones'
  • 'Marsilea bendirei is recombined as Hydrangea bendirei'
  • 'Meibomites belongs to Papilionaceae'
  • 'Meibomites lucens belongs to Meibomites'
  • 'Mniaceae belongs to Musci'
  • 'Monocotyledones was reranked as a subclass and belongs to Angiospermae'
  • 'Moraceae belongs to Urticales'
  • 'Musci belongs to Bryophyta'
  • 'Najadales [misspelled as Naiadales] belongs to Monocotyledones'
  • 'Navicula contendens belongs to Navicula' according to Mann 1926
  • 'Navicula iridescens belongs to Navicula' according to Mann 1926
  • 'Navicula pauper belongs to Navicula' according to Mann 1926
  • 'Navicula pontifica belongs to Navicula' according to Mann 1926
  • 'Navicula protrudens belongs to Navicula' according to Mann 1926
  • 'Navicula pseudoaffinis belongs to Navicula' according to Mann 1926
  • 'Navicula reversa belongs to Navicula' according to Mann 1926
  • 'Navicula substauroneis belongs to Navicula' according to Mann 1926
  • 'Pandanales belongs to Monocotyledones'
  • 'Papilionaceae belongs to Rosales'
  • 'Phyllites amplexicaulis belongs to Phyllites'
  • 'Phyllites crustacea belongs to Phyllites'
  • 'Phyllites dubius is recombined as Taxodium dubium'
  • 'Phyllites pardeei belongs to Phyllites'
  • 'Phyllites peculiaris belongs to Phyllites'
  • 'Phyllites relatus belongs to Phyllites'
  • 'Phyllites sophoroides belongs to Phyllites'
  • 'Pinus belongs to Abietineae'
  • 'Polytrichaceae belongs to Musci'
  • 'Polytrichites belongs to Polytrichaceae'
  • 'Populus belongs to Salicaceae'
  • 'Populus fairii belongs to Populus'
  • 'Populus heteromorpha belongs to Populus'
  • 'Populus lindgreni belongs to Populus'
  • 'Populus washingtonensis belongs to Populus'
  • 'Potamogeton belongs to Potamogetonaceae'
  • 'Potamogetonaceae belongs to Najadales'
  • 'Prunus belongs to Drupaceae'
  • 'Prunus rustii belongs to Prunus'
  • 'Quercus chaneyi belongs to Quercus'
  • 'Quercus cognatus belongs to Quercus'
  • 'Quercus merriami belongs to Quercus'
  • 'Quercus obtusa belongs to Quercus'
  • 'Quercus payettensis belongs to Quercus'
  • 'Quercus praenigra belongs to Quercus'
  • 'Quercus pseudolyrata belongs to Quercus'
  • 'Quercus rustii belongs to Quercus'
  • 'Quercus simulata belongs to Quercus'
  • 'Quercus spokanensis belongs to Quercus'
  • 'Ranales belongs to Dicotyledones'
  • 'Rhus belongs to Anacardiaceae'
  • 'Rhus typhinoides belongs to Rhus'
  • 'Robinia belongs to Papilionaceae'
  • 'Rosales belongs to Dicotyledones'
  • 'Salicaceae belongs to Salicales'
  • 'Salicales belongs to Dicotyledones'
  • 'Salisburia adiantoides is recombined as Ginkgo adiantoides'
  • 'Salix belongs to Salicaceae'
  • 'Salix bryani belongs to Salix'
  • 'Salix dayana belongs to Salix'
  • 'Salix elongata belongs to Salix'
  • 'Salix inquirenda belongs to Salix'
  • 'Salix perplexa belongs to Salix'
  • 'Salix remotidens belongs to Salix'
  • 'Sapindales belongs to Dicotyledones'
  • 'Saxifragaceae belongs to Rosales'
  • 'Sequoia belongs to Taxodieae'
  • 'Sophora belongs to Papilionaceae'
  • 'Sophora alexanderi belongs to Sophora'
  • 'Sophora spokanensis belongs to Sophora'
  • 'Staphyleaceae belongs to Sapindales'
  • 'Stauroneis acutissima belongs to Stauroneis' according to Mann 1926
  • 'Taxaceae belongs to Coniferales'
  • 'Taxeae belongs to Taxaceae'
  • 'Taxites langsdorfii is recombined as Sequoia langsdorfii'
  • 'Taxodieae belongs to Taxaceae'
  • 'Taxodium belongs to Taxodieae'
  • 'Thymeleales belongs to Dicotyledones'
  • 'Tumion belongs to Taxeae'
  • 'Tumion bonseri belongs to Tumion'
  • 'Typha belongs to Typhaceae'
  • 'Typhaceae belongs to Pandanales'
  • 'Ulmaceae belongs to Urticales'
  • 'Ulmus belongs to Ulmaceae'
  • 'Ulmus fernquisti belongs to Ulmus'
  • 'Ulmus speciosa belongs to Ulmus'
  • 'Urticales belongs to Dicotyledones'
  • 'Vacciniaceae belongs to Ericales'
  • 'Vaccinium belongs to Vacciniaceae'
  • 'Vaccinium salicoides belongs to Vaccinium'