Algae Bacillariophyceae Name Novelty Status Authors Age Unit Location Notes ImagesCymbella partitasp novMannMioceneLanghianLatah FormationSpokane FloruleA cymbellaceous diatomCymbella sagittariussp novMannMioceneLanghianLatah FormationSpokane FloruleA cymbellaceous diatomNavicula contendenssp novMannMioceneLanghianLatah FormationSpokane FloruleA naviculaceous diatomNavicula iridescenssp novjr synonymMannMioceneLanghianLatah FormationSpokane FloruleA naviculaceous diatomMoved to Neidium iridescens (1975)Navicula paupersp novMannMioceneLanghianLatah FormationSpokane FloruleA naviculaceous diatomNavicula pontificasp novMannMioceneLanghianLatah FormationSpokane FloruleA naviculaceous diatomNavicula protrudenssp novMannMioceneLanghianLatah FormationSpokane FloruleA naviculaceous diatomNavicula pseudoaffinissp novMannMioceneLanghianLatah FormationSpokane FloruleA naviculaceous diatomNavicula reversasp novMannMioceneLanghianLatah FormationSpokane FloruleA naviculaceous diatomNavicula substauroneissp novMannMioceneLanghianLatah FormationSpokane FloruleA naviculaceous diatomStauroneis (Navicula) acutissimasp novMannMioceneLanghianLatah FormationSpokane FloruleA stauroneidaceous diatom
Plants Mosses Name Novelty Status Authors Age Unit Location Notes ImagesArchaeomniumGen et sp novjr synonymBrittonMioceneLanghianLatah FormationSpokane FloruleA moss of uncertain affiliationSynonymized with Hypnites (1980)The type species is A. patensPolytrichitesGen et sp novvalid?BrittonMioceneLanghianLatah FormationSpokane FloruleA possible polytrichaceous mossThe type species is P. spokanensis
Lycopods Name Novelty Status Authors Age Unit Location Notes ImagesLycopodium hesperiumSp novNomen dubium?KnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleA possible lycopod clubmoss Treated as a plant of uncertain affinity by Chaney & Axelrod 1959
Conifers Name Novelty Status Authors Age Unit Location Notes ImagesLibocedrus praedecurrensSp novjr synonymKnowltonMioceneLanghianLatah FormationPotlatch FloruleA sandarac species Moved to Fokienia praedecurrens (1959)Moved to Fokieniopsis praedecurrens (1997). Moved to Tetraclinis salicornioides var. praedecurrens (2000)Tumion bonseriSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleA plum-yew species Moved to Torreya bonseri (1952)Moved to Cephalotaxus bonseri (1959)
Angiosperms Monocots Name Novelty Status Authors Age Unit Location Notes ImagesArisaema hesperiaSp novvalid?KnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleA possible araceous monocot Sometimes had been treated as a jr synonym of Liquidambar pachyphyllumCanna? dawsoniSp novjr synonymBerryEoceneBurrard FormationA possible cannaceous leaf species synonymized with Cannophyllites magnifolia in 1949
Basal eudicots Name Novelty Status Authors Age Unit Location Notes ImagesTrochodendroidesGen et comb novBerryA Trochodenraceous leaf morphogenus.The type species is Populus arctica (1868)
Superasterids - basal Name Novelty Status Authors Age Unit Location Notes ImagesDiospyros andersonaeSp novJr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleA persimmon leaf speciesSynonymized into Diospyros oregoniana (1959) Diospyros dawsoniSp novBerryEoceneYpresianOkanagan HighlandsChu Chua FormationA persimmon leaf speciesDiospyros? microcalyxSp novJr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleFirst named as a persimmon calyx species.Moved to Porana microcalyx (1929)Moved to Remberella microcalyx (2024)Vaccinium salicoidesSp novvalid?KnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleFirst named as a huckleberry leaf speciesSynonymized into Vaccinium americanum (1929) Resurrected as a species of uncertain affinity (1959)
Superrosids - Fabids Name Novelty Status Authors Age Unit Location Notes ImagesAlnus cremastogynoidesSp novBerryEoceneYpresianChu Chua FormationAn alder leaf speciesAlnus crispoidesSp novBerryEoceneYpresianChu Chua FormationAn alder leaf speciesBetula bryaniSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleFirst named as a birch leaf speciesSynonymized into Alnus fairi (1937)Betula fairiiSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleFirst named as a birch leaf speciesMoved to Alnus fairi (1966)Betula? largeiSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleFirst named as a birch leaf speciesSynonymized into Alnus fairi (1937)Resurrected and moved to Alnus largei (1966)Betula nanoidesSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleFirst named as a birch leaf speciesSynonymized into Alnus fairi (1934)Betula parvifoliaSp novjr synonymBerryEoceneYpresianChu Chua FormationFirst named as a birch leaf speciesMoved to Alnus parvifolia (1987)Betula thorSp novvalidKnowltonMioceneLanghianLatah FormationSpokane FloruleFirst named as a birch leaf speciesSynonymized into Betula heteromorpha (1937)Resurrected as Betula thor (1959)Celastrophyllum pugetensisSp novBerryEoceneBurrard FormationA possible celastraceous leaf speciesCelastrus fernquistiSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleFirst named as a Celastrus leaf speciesSynonymized into Alnus fairi (1937)Cercis? spokanensisSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleFirst named as a redbud fruit speciesMoved to Caesalpinia spokanensis (1991)Comptonia predryandroidesSp novBerryEoceneYpresianChu Chua FormationA myricaceous leaf speciesFicus? johnstoniSp novBerryEoceneBurrard FormationA possible moraceous leaf speciesFicus? washingtonensisSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleFirst named as a fig leaf speciesSynonymized into Cercis spokanensis (1937) Synonymized into Exbucklandia oregonesis (1946)Hicoria dawsoniSp novjr synonymBerryEoceneYpresianChu Chua FormationA punitive hickory leaf speciesMoved to Carya dawsoni in 1952Hicoria stanleyanumcomb novjr synonym(Dawson) BerryEoceneBurrard FormationA punitive hickory leaf speciesMoved from Dryophyllum stanleyanum (1895)Moved to Carya stanleyanum in 1952Juglans nigelloidesSp novBerryEoceneBurrard FormationA juglandaceous leaf speciesLeguminosites johnstoniSp novBerryEoceneYpresianBurrard FormationA legume leaf morphospecies.Meibomites lucensSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleFirst named as a Meibomites leaf speciesSynonymized into Cercis spokanensis (1937) Synonymized into Exbucklandia oregonesis (1946)Myrica uglowiSp novJr synonymBerryEoceneYpresianChu Chua FormationA myricaceous leaf species synonymized with Bohlenia insignis in 1987.Populus acuminatafoliaSp novBerryEoceneYpresianChu Chua FormationA cottonwood leaf speciesPopulus fairiiSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleFirst named as a cottonwood leaf speciesSynonymized with Zizyphoides auriculata (1991)Populus heteromorphaSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleFirst named as a cottonwood leaf speciesSynonymized with Zizyphoides auriculata (1991)Populus washingtonensisSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleFirst named as a cottonwood leaf speciesMoved to Vitus washingtonensis (1937)Prunus rustiiSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleFirst named as a cherry leaf speciesSynonymized into Alnus corallina (1937) Synonymized into Alnus hollandiana (1959)Quercus chaneyiSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleAn oak leaf speciesSynonymized with Quercus simulata (1929)Quercus cognatusSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleAn oak leaf speciesSynonymized with Quercus payettensis (1937)Quercus obtusaSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleAn oak leaf speciesSynonymized with Quercus payettensis (1937)Quercus praenigraSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleAn oak leaf speciesSynonymized with Quercus payettensis (1937)Quercus rustiiSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleAn oak leaf speciesSynonymized with Quercus payettensis (1937)Quercus spokanensisSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleFirst named as an oak leaf speciesSynonymized with Castanea orientalis (1929)Resurrected as Castanea spokanensis (1959)Quercus uglowiSp novBerryEoceneYpresianChu Chua FormationA oak leaf speciesRhamnus kitsilanianaSp novBerryEoceneBurrard FormationA buckthorn leaf morphospecies.Salix bryaniSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleA willow leaf speciesSynonymized into Salix florissanti (1934) Synonymized into Salix hesperia (1959)Salix inquirendaSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleA willow leaf speciesSynonymized into Salix hesperia (1944)Salix remotidensSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleA willow leaf speciesSynonymized into Salix hesperia (1944)Sophora alexanderiSp novjr synonymKnowltonMioceneLanghianLatah FormationCoeur d'Alene FloruleA Sophora leaf speciesSynonymized into Sophora spokanensis (1937)Sophora spokanensisSp novKnowltonMioceneLanghianLatah FormationSpokane FloruleA Sophora leaf speciesSorbus decorifoliaSp novBerryEoceneYpresianChu Chua FormationA punitive mountain ash leaf speciesUlmus columbianussp novjr homonymBerryEoceneYpresianChu Chua FormationAn elm leaf species Name preoccupied by Ulmus columbianus Penhallow (1907)Moved to Ulmus chuchuanus in 1952.Ulmus fernquistiSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleFirst named as an elm leaf speciesSynonymized into Zelkova oregoniana (1937)Moved to Zelkova browni (1977)
Superrosids - Malvids Name Novelty Status Authors Age Unit Location Notes ImagesAcer chaneyiSp novValidKnowltonMioceneLanghianLatah FormationSpokane FloruleA maple speciesMalva? hesperiaSp novjr synonymKnowltonMioceneLanghianLatah FormationSpokane FloruleFirst named as a possible mallow fruit speciesSynonymized with Nordenskioldia interglacialis (1991)
Angiosperms - other