The Plant List — A working list for all plant species

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994 plant name records match your search criteria Oenothera. The results are below.

The names found have these generic epithets:

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See "Status", "Confidence level", "Source" for definitions.

Name Status Confi­dence level Source Date supplied
Oenothera aberrans Lutz Unresolved L WCSP (in review)
Oenothera abramsii J.F. Macbr. Accepted M TRO
Oenothera acaulis Cav. Accepted M TRO
Oenothera acuminata Phil. Unresolved L TRO
Oenothera acuticarpa W. Dietr. Synonym M TRO
Oenothera acutifolia Rostański Unresolved L WCSP (in review)
Oenothera acutissima W.L. Wagner Accepted M TRO
Oenothera adriatica Soldano Unresolved L WCSP (in review)
Oenothera affinis Cambess. Accepted M WCSP (in review)
Oenothera agari R.R.Gates Unresolved L WCSP (in review)
Oenothera agassizia Steud. Unresolved L WCSP (in review)
Oenothera agryrophylla Spach Unresolved L TRO
Oenothera alata Nutt. Unresolved L WCSP (in review)
Oenothera alata Raf. Unresolved L WCSP (in review)
Oenothera alba Noronha Unresolved L WCSP (in review)
Oenothera albescens S.Watson Unresolved L WCSP (in review)
Oenothera albicans Lam. Synonym M TRO
Oenothera albicaulis Pursh Accepted M TRO
Oenothera albicaulis var. brevifolia Engelm. Synonym L TRO
Oenothera albicaulis var. californica S. Watson Synonym L TRO
Oenothera albicaulis var. decumbens Parry Synonym L TRO
Oenothera albicaulis var. gypsophila Eastw. Synonym L TRO
Oenothera albicaulis var. nuttallii (Sweet) Engelm. Synonym L TRO
Oenothera albicaulis var. runcinata Engelm. Synonym L TRO
Oenothera albida de Vries Unresolved L WCSP (in review)
Oenothera albinervis R.R. Gates Synonym M TRO
Oenothera × albipercurva Renner ex Hudziok Unresolved L WCSP (in review)
Oenothera albipercurva Renner ex Hudz. Unresolved L TRO
Oenothera albisubcurva Renner Unresolved L TRO
Oenothera alyssoides Hook. & Arn. Synonym M WCSP (in review)
Oenothera alyssoides var. decorticans (Hook. & Arn.) Jeps. Synonym L TRO
Oenothera alyssoides var. minutiflora S. Watson Synonym L TRO
Oenothera ambigua (Nutt.) Spreng. Synonym M TRO
Oenothera ammophila Focke Synonym M WCSP (in review)
Oenothera ammophiloides R.R.Gates & Catches. Unresolved L WCSP (in review)
Oenothera ammophiloides var. flecticaulis (R.R. Gates) R.R. Gates Unresolved L TRO
Oenothera ammophiloides var. parva (R.R. Gates) R.R. Gates Unresolved L TRO
Oenothera amoena Lehm. Synonym L TRO
Oenothera amplexicaulis (Wooton & Standl.) Tidestr. Accepted L TRO
Oenothera andina Nutt. Synonym M WCSP (in review)
Oenothera angelorum S.Watson Synonym M WCSP (in review)
Oenothera angustifolia Mill. Unresolved L WCSP (in review)
Oenothera angustissima R.R. Gates Synonym M TRO
Oenothera anisoloba Sweet Unresolved L WCSP (in review)
Oenothera anomala Curtis Unresolved L WCSP (in review)
Oenothera apicaborta R.R.Gates Unresolved L WCSP (in review)
Oenothera arborea Kellogg Synonym M TRO
Oenothera arcuata Kellogg Synonym L TRO
Oenothera arenaria (A.Nelson) P.H.Raven Synonym M WCSP (in review)
Oenothera arenicola (Small) Coker Synonym M TRO
Oenothera arequipensis Munz & I.M. Johnst. Accepted M TRO
Oenothera argentinae H.Lév. & Thell. Unresolved L WCSP (in review)
Oenothera argillicola Mack. Accepted M TRO
Oenothera arguta Greene Synonym M TRO
Oenothera arida W.L.Wagner & Hoch Unresolved L WCSP (in review)
Oenothera arizonica (Munz) W.L. Wagner Accepted M TRO
Oenothera arnottii Torr. & A. Gray Synonym M TRO
Oenothera ascendens Willd. Synonym M TRO
Oenothera asperifolia Nutt. Unresolved L WCSP (in review)
Oenothera atrovirens Shull & Bartlett Accepted M WCSP (in review)
Oenothera atrovirens var. ostreae (Sturtev.) R.R. Gates Accepted L TRO
Oenothera aurantia Willd. ex Spreng. Unresolved L WCSP (in review)
Oenothera auricula H.Lév. Unresolved L WCSP (in review)
Oenothera australis (Wooton & Standl.) Tidestr. Synonym M TRO
Oenothera austromontana (Munz) P.H.Raven, W.Dietr. & Stubbe Unresolved L WCSP (in review)
Oenothera autranii H.Lév. Unresolved L WCSP (in review)
Oenothera avita (W.M. Klein) W.M. Klein Accepted M TRO
Oenothera avita subsp. avita Synonym L TRO
Oenothera avita subsp. eurekensis (Munz & J.C. Roos) W.M. Klein Accepted L TRO
Oenothera bahia-blancae W. Dietr. Accepted M TRO
Oenothera barbeyana H. Lév. Synonym M TRO
Oenothera baurii Boedijn Unresolved L WCSP (in review)
Oenothera beckeri Renner Unresolved L WCSP (in review)
Oenothera berlandieri Walp. Unresolved L WCSP (in review)
Oenothera berlandieri Steud. Unresolved L WCSP (in review)
Oenothera berlandieri subsp. pinifolia (Engelm. ex A. Gray) W.L. Wagner & Hoch Unresolved L TRO
Oenothera berteroana Spach Synonym M TRO
Oenothera bertolonii B.Wells Unresolved L WCSP (in review)
Oenothera biennis L. Accepted M WCSP (in review)
Oenothera biennis var. austromontana (Munz) Cronquist Accepted L TRO
Oenothera biennis subsp. austromontana Munz Synonym L TRO
Oenothera biennis var. biennis Synonym L TRO
Oenothera biennis f. biennis Synonym L TRO
Oenothera biennis subsp. chicaginensis (de Vries ex Renner & Cleland) Á.Löve & D.Löve Synonym L WCSP (in review)
Oenothera biennis var. cruciata (Nutt. ex G. Don) Torr. & A. Gray Synonym L TRO
Oenothera biennis f. grandiflora (L'Hér.) D.S.Carp. Synonym L WCSP (in review)
Oenothera biennis var. grandiflora (L'Hér.) Torr. & A.Gray Synonym L WCSP (in review)
Oenothera biennis var. hookeri (Torr. & A. Gray) B. Boivin Synonym L TRO
Oenothera biennis var. muricata (L.) Torr. & A. Gray Synonym L TRO
Oenothera biennis var. oakesiana A.Gray Synonym L WCSP (in review)
Oenothera biennis var. parviflora (L.) Torr. & A.Gray Synonym L WCSP (in review)
Oenothera biennis var. pycnocarpa (G.F. Atk. & Bartlett) Wiegand Accepted L TRO
Oenothera biennis f. stenopetala (E.P. Bicknell) B. Boivin Accepted L TRO
Oenothera biennis var. strigosa (Rydb.) Cronquist Synonym L TRO
Oenothera biformiflora R.R.Gates Unresolved L WCSP (in review)
Oenothera bifrons D.Don Unresolved L WCSP (in review)
Oenothera bifrons Lindl. Unresolved L WCSP (in review)
Oenothera biloba Durand Synonym M TRO
Oenothera bistorta Nutt. ex Torr. & A. Gray Accepted M TRO
Oenothera bistorta var. bistorta Synonym L TRO
Oenothera blandina de Vries Unresolved L WCSP (in review)
Oenothera boothii Douglas Synonym M WCSP (in review)
Oenothera boothii subsp. alyssoides (Hook. & Arn.) Munz Synonym L TRO
Oenothera boothii subsp. condensata (Munz) Munz Synonym L TRO
Oenothera boothii subsp. decorticans (Hook. & Arn.) Munz Synonym L TRO
Oenothera boothii subsp. desertorum (Munz) Munz Synonym L TRO
Oenothera boothii subsp. intermedia Munz Synonym L WCSP (in review)
Oenothera boothii subsp. inyoensis Munz Synonym L TRO
Oenothera boothii var. pygmaea (Douglas) Torr. & A. Gray Synonym L TRO
Oenothera boothii subsp. rutila (Davidson) Munz Synonym L TRO
Oenothera boquillensis (P.H. Raven & D.P. Greg.) W.L. Wagner & Hoch Synonym M TRO
Oenothera bottae Torr. & A.Gray Unresolved L WCSP (in review)
Oenothera bottae Steud. Unresolved L WCSP (in review)
Oenothera brachycarpa A. Gray Accepted M TRO
Oenothera brachycarpa var. wrightii (A. Gray) H. Lév. Accepted L TRO
Oenothera brachysepala Spach Synonym M TRO
Oenothera bracteata Phil. Synonym M TRO
Oenothera bradburiana Nutt. Unresolved L WCSP (in review)
Oenothera brandegeei (Munz) P.H.Raven Unresolved L WCSP (in review)
Oenothera brasiliensis Gardner ex Micheli Unresolved L WCSP (in review)
Oenothera × braunii Doell Unresolved L WCSP (in review)
Oenothera breedlovei W.Dietr. & W.L.Wagner Unresolved L WCSP (in review)
Oenothera brevicapsula Bartlett Unresolved L WCSP (in review)
Oenothera brevicapsula Greene Unresolved L WCSP (in review)
Oenothera breviflora Torr. & A. Gray Accepted M TRO
Oenothera brevipes A.Gray Synonym M WCSP (in review)
Oenothera brevipes subsp. arizonica P.H.Raven Synonym L WCSP (in review)
Oenothera brevipes var. multijuga (S. Watson) Jeps. Synonym L TRO
Oenothera brevipes var. pallidula Munz Synonym L WCSP (in review)
Oenothera brevipes subsp. pallidula (Munz) P.H. Raven Synonym L TRO
Oenothera brevipes var. parviflora S.Watson Synonym L WCSP (in review)
Oenothera brevipes var. scapoidea (Torr. & A. Gray) H. Lév. Synonym L TRO
Oenothera brevipetala W. Dietr. Accepted M TRO
Oenothera brevispicata Hudziok Unresolved L WCSP (in review)
Oenothera brevistylis de Vries Unresolved L WCSP (in review)
Oenothera × britannica Rostański Unresolved L WCSP (in review)
Oenothera bufonis M.E. Jones Synonym M TRO
Oenothera bulgarica Delip. Unresolved L WCSP (in review)
Oenothera burkartiana Bartlett Unresolved L WCSP (in review)
Oenothera caesia Nutt. Unresolved L WCSP (in review)
Oenothera caespitosa Gillies ex Hook. & Arn. Unresolved L WCSP (in review)
Oenothera calcicola (P.H. Raven & D.P. Greg.) W.L. Wagner & Hoch Synonym M TRO
Oenothera californica (S. Watson) S. Watson Accepted M TRO
Oenothera californica var. californica Synonym L TRO
Oenothera californica subsp. californica Synonym L TRO
Oenothera cambrica Rostański Unresolved L WCSP (in review)
Oenothera campestris Greene Synonym M TRO
Oenothera campestris var. cruciata (S. Watson) Greene Synonym L TRO
Oenothera campestris subsp. parishii (Abrams) Munz Unresolved L TRO
Oenothera camporum (Wooton & Standl.) Tidestr. Unresolved L WCSP (in review)
Oenothera campylocalyx C. Koch & Bouché Synonym M TRO
Oenothera campylocarpa Bailly Unresolved L WCSP (in review)
Oenothera canadensis Goldie Unresolved L WCSP (in review)
Oenothera candida Dum.Cours. Synonym M WCSP (in review)
Oenothera canescens Torr. & Frém. Accepted M TRO
Oenothera canovertex Hudziok Unresolved L WCSP (in review)
Oenothera canovirens E.S. Steele Synonym M TRO
Oenothera canovirens var. cymotilis (Bartlett) R.R. Gates Unresolved L TRO
Oenothera × cantabrigiana B.M.Davis Synonym M WCSP (in review)
Oenothera capensis Steud. Unresolved L WCSP (in review)
Oenothera capillifolia Scheele Unresolved L WCSP (in review)
Oenothera cardiophylla Torr. Synonym M WCSP (in review)
Oenothera cardiophylla subsp. cedroensis (Greene) P.H. Raven Synonym L TRO
Oenothera cardiophylla subsp. robusta P.H.Raven Synonym L WCSP (in review)
Oenothera carinthiaca Rostański Unresolved L WCSP (in review)
Oenothera casimiri Rostański Unresolved L WCSP (in review)
Oenothera catharinensis Cambess. Accepted M TRO
Oenothera cavernae Munz Accepted M TRO
Oenothera cedrosensis Greene Synonym M WCSP (in review)
Oenothera centaurifolia Steud. Accepted M TRO
Oenothera cespitosa Nutt. Accepted M TRO
Oenothera cespitosa var. australis (Wooton & Standl.) Munz Synonym L TRO
Oenothera cespitosa subsp. australis (Wooton & Standl.) Munz Accepted L TRO
Oenothera cespitosa var. cespitosa Synonym L TRO
Oenothera cespitosa subsp. crinita (Rydb.) Munz Accepted L TRO
Oenothera cespitosa subsp. eximia (A. Gray) Munz Accepted L TRO
Oenothera cespitosa var. eximia (A. Gray) Munz Synonym L TRO
Oenothera cespitosa var. longiflora (A. Heller) Munz Accepted L TRO
Oenothera cespitosa subsp. macroglottis (Rydb.) W.L. Wagner, Stockh. & W.M. Klein Accepted L TRO
Oenothera cespitosa subsp. marginata (Nutt. ex Hook. & Arn.) Munz Accepted L TRO
Oenothera cespitosa subsp. montana (Nutt.) Munz Accepted L TRO
Oenothera cespitosa var. primiveris (A. Gray) H. Lév. Accepted L TRO
Oenothera cespitosa subsp. purpurea (S. Watson) Munz Accepted L TRO
Oenothera chamaenerioides A.Gray Synonym M WCSP (in review)
Oenothera chamaenerioides var. torta H. Lév. Synonym L TRO
Oenothera chamissonis Link Unresolved L WCSP (in review)
Oenothera cheiranthifolia Hornem. ex Spreng. Synonym M TRO
Oenothera cheiranthifolia var. contorta (Douglas) H. Lév. Unresolved L TRO
Oenothera cheiranthifolia var. nitida (Greene) Munz Unresolved L TRO
Oenothera cheiranthifolia var. viridescens (Hook.) Hoover Unresolved L TRO
Oenothera cheradophila Bartlett Accepted M TRO
Oenothera chicaginensis de Vries ex Renner & Cleland Synonym M WCSP (in review)
Oenothera chicagoensis Renner ex R.E.Cleland & Blakeslee Synonym M WCSP (in review)
Oenothera chilensis D. Dietr. Synonym M TRO
Oenothera chilensis Fisch. & C.A. Mey. Synonym M TRO
Oenothera chrysantha Michx. Synonym M TRO
Oenothera cinerea (Wooton & Standl.) W.L. Wagner & Hoch Synonym M TRO
Oenothera cinerea subsp. parksii (Munz) W.L. Wagner & Hoch Synonym L TRO
Oenothera cinnabarina E.Morren Unresolved L WCSP (in review)
Oenothera clandestina Nutt. ex S. Watson Unresolved L TRO
Oenothera × clavifera Hudziok Unresolved L WCSP (in review)
Oenothera claviformis Torr. & Frém. Synonym M WCSP (in review)
Oenothera claviformis var. aurantiaca (S.Watson) Munz Synonym L WCSP (in review)
Oenothera claviformis var. cruciformis (Kellogg) Munz Synonym L TRO
Oenothera claviformis subsp. cruciformis (Kellogg) P.H. Raven Synonym L TRO
Oenothera claviformis subsp. funerea P.H.Raven Synonym L WCSP (in review)
Oenothera claviformis subsp. integrior P.H.Raven Synonym L WCSP (in review)
Oenothera claviformis subsp. lancifolia (A. Heller) P.H. Raven Synonym L TRO
Oenothera claviformis var. peeblesii Munz Synonym L WCSP (in review)
Oenothera claviformis subsp. peeblesii (Munz) P.H. Raven Synonym L TRO
Oenothera claviformis var. peirsonii Munz Synonym L WCSP (in review)
Oenothera claviformis subsp. peirsonii (Munz) P.H. Raven Synonym L TRO
Oenothera claviformis subsp. rubescens P.H.Raven Synonym L WCSP (in review)
Oenothera claviformis subsp. wigginsii P.H.Raven Synonym L WCSP (in review)
Oenothera claviformis subsp. yumae P.H.Raven Synonym L WCSP (in review)
Oenothera cleistantha Shull & Bartlett Unresolved L WCSP (in review)
Oenothera cleistogama H.Lév. Unresolved L WCSP (in review)
Oenothera clelandii W. Dietr., P.H. Raven & W.L. Wagner Accepted M TRO
Oenothera clutei A. Nelson Synonym M TRO
Oenothera clypeata H. Lév. Synonym M TRO
Oenothera coccinea Britton Synonym M TRO
Oenothera cochinchinensis Lour. ex Steud. Unresolved L WCSP (in review)
Oenothera cockerellii Bartlett & de Vries Synonym M TRO
Oenothera coloradensis (Rydb.) W.L. Wagner & Hoch Synonym M TRO
Oenothera coloradensis subsp. neomexicana (Wooton) W.L. Wagner & Hoch Synonym L TRO
Oenothera coloratissima Hudziok Unresolved L WCSP (in review)
Oenothera columbiana Greene Unresolved L WCSP (in review)
Oenothera communis H.Lév. Unresolved L WCSP (in review)
Oenothera communis var. hookeri (Torr. & A. Gray) H. Lév. Synonym L TRO
Oenothera comosa R.R.Gates Unresolved L WCSP (in review)
Oenothera compacta Hudziok Unresolved L WCSP (in review)
Oenothera concinna D. Don Synonym M TRO
Oenothera confertiflora P.H.Raven Synonym M WCSP (in review)
Oenothera contorta Douglas Accepted M TRO
Oenothera contorta var. contorta Synonym L TRO
Oenothera contorta var. epilobioides (Greene) Munz Accepted L TRO
Oenothera contorta var. flexuosa (A. Nelson) Munz Accepted L TRO
Oenothera coquimbensis Gay Accepted M TRO
Oenothera cordata Steud. Unresolved L WCSP (in review)
Oenothera cordata J.W.Loudon Unresolved L WCSP (in review)
Oenothera cordobensis W. Dietr. Synonym M TRO
Oenothera coronifera Renner Synonym M WCSP (in review)
Oenothera coronopifolia Torr. & A. Gray Accepted M TRO
Oenothera coryi W.L. Wagner Accepted M TRO
Oenothera corymbosa Lam. Unresolved L WCSP (in review)
Oenothera corymbosa Sims Unresolved L WCSP (in review)
Oenothera crassifolia Greene Synonym M WCSP (in review)
Oenothera crassiuscula Greene Unresolved L WCSP (in review)
Oenothera crispa Schult. Unresolved L WCSP (in review)
Oenothera cruciata Nutt. ex G. Don Accepted M TRO
Oenothera cruciata var. cruciata Synonym L TRO
Oenothera cruciformis Kellogg Synonym M WCSP (in review)
Oenothera ctenophylla (Wooton & Standl.) Tidestr. Accepted L TRO
Oenothera cuneifolia Raf. Unresolved L WCSP (in review)
Oenothera cuprea Schltdl. Synonym M WCSP (in review)
Oenothera curtiflora W.L. Wagner & Hoch Accepted M TRO
Oenothera curtissii Small Accepted M TRO
Oenothera curvifolia H.P.Fisch. Unresolved L WCSP (in review)
Oenothera cuspidata Steud. Unresolved L WCSP (in review)
Oenothera cymatilis Bartlett Synonym M TRO
Oenothera davisii Greene Unresolved L WCSP (in review)
Oenothera decorticans (Hook. & Arn.) Greene Synonym M TRO
Oenothera decorticans var. condensata Munz Synonym L WCSP (in review)
Oenothera decorticans var. desertorum Munz Synonym L WCSP (in review)
Oenothera decumbens Douglas ex Hook. Synonym M TRO
Oenothera deflexa R.R.Gates Unresolved L WCSP (in review)
Oenothera delessertiana Steud. Unresolved L WCSP (in review)
Oenothera deltoides Torr. & Frém. Accepted M TRO
Oenothera deltoides var. ambigua Munz Synonym L TRO
Oenothera deltoides subsp. ambigua (Munz) W.M. Klein Accepted L TRO
Oenothera deltoides var. arizonica Munz Synonym L TRO
Oenothera deltoides var. cineracea (Jeps.) Munz Accepted L TRO
Oenothera deltoides subsp. cognata (Jeps.) W.M. Klein Accepted L TRO
Oenothera deltoides var. decumbens (Parry) Munz Accepted L TRO
Oenothera deltoides var. deltoides Synonym L TRO
Oenothera deltoides subsp. deltoides Synonym L TRO
Oenothera deltoides subsp. eurekensis Munz & J.C. Roos Synonym L TRO
Oenothera demareei (P.H. Raven & D.P. Gregory) W.L. Wagner & Hoch Synonym M TRO
Oenothera densiflora Lindl. Synonym M TRO
Oenothera dentata Cav. Synonym M TRO
Oenothera dentata var. cruciata S. Watson Synonym L TRO
Oenothera depressa Greene Synonym M TRO
Oenothera deserti M.E. Jones Synonym M TRO
Oenothera deserticola (Loes.) Munz Accepted M TRO
Oenothera diffusa Nutt. Unresolved L WCSP (in review)
Oenothera diplotricha Domin Unresolved L WCSP (in review)
Oenothera disjuncta Boedijn Unresolved L WCSP (in review)
Oenothera dissecta A. Gray Synonym M TRO
Oenothera distorta H.J.Veitch ex Vilm. Unresolved L WCSP (in review)
Oenothera divaricata Greene Unresolved L WCSP (in review)
Oenothera domingensis (Urb. & Ekman) Munz Synonym M TRO
Oenothera × drawertii Renner ex Rostański Unresolved L WCSP (in review)
Oenothera drawertii Renner ex Rastanski Unresolved L TRO
Oenothera drummondii Hook. Accepted M TRO
Oenothera drummondii subsp. drummondii Synonym L TRO
Oenothera drummondii subsp. thalassaphila (Brandegee) W. Dietr. & W.L. Wagner Accepted L TRO
Oenothera dubia E.H.L.Krause Unresolved L WCSP (in review)
Oenothera dubia Steud. Unresolved L WCSP (in review)
Oenothera eastwoodiae (Munz) P.H.Raven Synonym M WCSP (in review)
Oenothera editicaulis Hudziok Unresolved L WCSP (in review)
Oenothera elata Kunth Accepted M WCSP (in review)
Oenothera elata subsp. elata Synonym L TRO
Oenothera elata var. hirsutissima (A. Gray ex S. Watson) Cronquist Accepted L TRO
Oenothera elegans E.H.L.Krause Unresolved L WCSP (in review)
Oenothera elegans H.Lév. Unresolved L WCSP (in review)
Oenothera elliptica de Vries Unresolved L WCSP (in review)
Oenothera elongata Rusby Accepted M TRO
Oenothera eminens Tausch Unresolved L WCSP (in review)
Oenothera engelmannii (Small) Munz Accepted L TRO
Oenothera epilobiifolia Kunth Accepted M WCSP (in review)
Oenothera epilobiifolia subsp. cuprea (Schltdl.) P.H. Raven & D.R. Parn. Synonym L TRO
Oenothera epilobiifolia subsp. epilobiifolia Synonym L TRO
Oenothera epilobioides Nutt. ex Torr. & A. Gray Synonym M TRO
Oenothera eriensis R.R.Gates Unresolved L WCSP (in review)
Oenothera eriensis var. niagarensis (R.R. Gates) R.R. Gates Unresolved L TRO
Oenothera eriensis var. repandodentata (R.R. Gates) R.R. Gates Unresolved L TRO
Oenothera erosa Lehm. Unresolved L WCSP (in review)
Oenothera ersteinensis H.P.Linder & Jean Unresolved L WCSP (in review)
Oenothera erythra (Davidson) J.F. Macbr. Accepted M TRO
Oenothera × erythrosepala Borbás Accepted M TRO
Oenothera eucharidium H.Lév. Unresolved L WCSP (in review)
Oenothera eulobus H.Lév. Unresolved L WCSP (in review)
Oenothera exigua A. Gray Synonym M TRO
Oenothera exilis P.H.Raven Synonym M WCSP (in review)
Oenothera eximia A. Gray Synonym M TRO
Oenothera falfurriae W. Dietr. & W.L. Wagner Accepted M TRO
Oenothera × fallax Renner Accepted M WCSP (in review)
Oenothera fallax Renner em Rostanski Unresolved L TRO
Oenothera fatua de Vries Unresolved L WCSP (in review)
Oenothera featherstonei Munz & I.M. Johnst. Accepted M TRO
Oenothera fendleri A. Gray Synonym M TRO
Oenothera filifolia (Eastw.) Tidestr. Unresolved L WCSP (in review)
Oenothera filiformis (Small) W.L. Wagner & Hoch Synonym M TRO
Oenothera filipes (Spach) W.L. Wagner & Hoch Synonym M TRO
Oenothera fissifolia Steud. Unresolved L WCSP (in review)
Oenothera flaemingina Hudziok Unresolved L WCSP (in review)
Oenothera flava (A. Nelson) Garrett Accepted M TRO
Oenothera flava subsp. taraxacoides (Wooton & Standl.) W.L. Wagner Accepted L TRO
Oenothera flecticaulis R.R. Gates Synonym M TRO
Oenothera florida Salisb. Unresolved L WCSP (in review)
Oenothera formosa Leichtlin Unresolved L WCSP (in review)
Oenothera franciscana Bartlett Synonym M TRO
Oenothera fraseri Pursh Synonym M TRO
Oenothera fremontii S. Watson Accepted M TRO
Oenothera fruticetorum J.T.Howell Unresolved L WCSP (in review)
Oenothera fruticosa L. Accepted M TRO
Oenothera fruticosa var. ambigua Nutt. Synonym L TRO
Oenothera fruticosa var. eamesii (B.L. Rob.) S.F. Blake Accepted L TRO
Oenothera fruticosa var. fraseri (Pursh) Hook. Synonym L TRO
Oenothera fruticosa var. fruticosa Synonym L TRO
Oenothera fruticosa subsp. glauca (Michx.) Straley Accepted L TRO
Oenothera fruticosa var. glauca (Michx.) H. Lév. Synonym L TRO
Oenothera fruticosa var. hirsuta Nutt. ex Torr. & A. Gray Synonym L TRO
Oenothera fruticosa f. hirsuta (Nutt. ex Torr. & A. Gray) H. Lév. Accepted L TRO
Oenothera fruticosa var. linearis (Michx.) S. Watson Accepted L TRO
Oenothera fruticosa var. pilosella (Raf.) Small & A. Heller Synonym L TRO
Oenothera fruticosa var. subglobosa (Small) Munz Accepted L TRO
Oenothera furca Boedijn Unresolved L WCSP (in review)
Oenothera fusca (K. Krause) Sprague & L.A. Riley Accepted M TRO
Oenothera fusiformis Munz & I.M. Johnst. Synonym M TRO
Oenothera gaura W.L.Wagner & Hoch Unresolved L WCSP (in review)
Oenothera gauriflora Torr. & A. Gray Synonym M TRO
Oenothera gauriflora var. hitchcockii H. Lév. Synonym L TRO
Oenothera gaurodes Kuntze Unresolved L WCSP (in review)
Oenothera gauroides Hornem. Unresolved L WCSP (in review)
Oenothera gayana Steud. Synonym L TRO
Oenothera gayophytum H.Lév. Unresolved L WCSP (in review)
Oenothera genistifolia H.Lév. Unresolved L WCSP (in review)
Oenothera germanica Boedijn Unresolved L WCSP (in review)
Oenothera gigantea Huber Unresolved L WCSP (in review)
Oenothera gigas de Vries Unresolved L WCSP (in review)
Oenothera gignatea Huber Unresolved L TRO
Oenothera glabella Nutt. Synonym M TRO
Oenothera glabra Mill. Unresolved L WCSP (in review)
Oenothera glabrescens Phil. Unresolved L WCSP (in review)
Oenothera glauca Michx. Synonym M TRO
Oenothera glauca var. fraseri (Pursh) Torr. & A. Gray Synonym L TRO
Oenothera glaucifolia W.L.Wagner & Hoch Unresolved L WCSP (in review)
Oenothera glazioviana Micheli Accepted M WCSP (in review)
Oenothera globularis G.Don Unresolved L WCSP (in review)
Oenothera godetia Steud. Unresolved L WCSP (in review)
Oenothera gouldii (P.H. Raven) S.L. Welsh & N.D. Atwood Synonym M TRO
Oenothera graciliflora Hook. & Arn. Accepted M TRO
Oenothera gracilis Schrad. ex Fisch. & C.A. Mey. Synonym M TRO
Oenothera graminifolia H. Lév. Synonym M TRO
Oenothera grandidentata Phil. Unresolved L WCSP (in review)
Oenothera grandiflora L'Hér. Synonym M WCSP (in review)
Oenothera grandiflora var. tracyi (Bartlett) R.R. Gates Unresolved L TRO
Oenothera grandifolia R.R.Gates Unresolved L WCSP (in review)
Oenothera grandis Smyth Accepted M TRO
Oenothera graveolens Gilib. Unresolved L WCSP (in review)
Oenothera greggii A. Gray Synonym L TRO
Oenothera greggii var. lampasana (Buckley) Munz Unresolved L TRO
Oenothera greggii var. pringlei Munz Unresolved L WCSP (in review)
Oenothera greggii var. pubescens A. Gray Synonym L TRO
Oenothera grisea W. Dietr. Unresolved L TRO
Oenothera grisea (Bartlett) Rostanski Accepted M TRO
Oenothera guadalupensis S. Watson Accepted M TRO
Oenothera guttata (Greene ex R.R. Gates) Cockerell Accepted M TRO
Oenothera guttulata Geyer ex Hook. Synonym L TRO
Oenothera hallii (Davidson) Munz Accepted M TRO
Oenothera hamata (Wooton & Standl.) Tidestr. Accepted M TRO
Oenothera hardhamiae (P.H.Raven) J.T.Howell Unresolved L WCSP (in review)
Oenothera harringtonii W.L. Wagner, Stockh. & W.M. Klein Accepted M TRO
Oenothera hartwegii Benth. Synonym M TRO
Oenothera hartwegii var. fendleri (A. Gray) A. Gray Synonym L TRO
Oenothera hartwegii subsp. fendleri (A. Gray) W.L. Wagner & Hoch Unresolved L TRO
Oenothera hartwegii var. filifolia (Eastw.) Munz Synonym L TRO
Oenothera hartwegii subsp. filifolia (Eastw.) W.L. Wagner & Hoch Unresolved L TRO
Oenothera hartwegii subsp. maccartii (Shinners) W.L. Wagner & Hoch Synonym L TRO
Oenothera hartwegii subsp. pubescens (A. Gray) W.L. Wagner & Hoch Unresolved L TRO
Oenothera hartwegii var. toumeyi (Small) Munz Synonym L TRO
Oenothera havardii S. Watson Accepted M TRO
Oenothera hazeliae R.R. Gates Unresolved L TRO
Oenothera hazeliae var. subterminalis (R.R. Gates) R.R. Gates Unresolved L TRO
Oenothera hechtii W. Dietr. Synonym M TRO
Oenothera heiniana Teyber Unresolved L WCSP (in review)
Oenothera heribaudii H.Lév. Unresolved L WCSP (in review)
Oenothera heterantha Nutt. Accepted M TRO
Oenothera heterantha var. taraxacifolia S. Watson Synonym L TRO
Oenothera heterochroma S.Watson Synonym L WCSP (in review)
Oenothera heterochroma var. megalantha Munz Synonym L WCSP (in review)
Oenothera heterophylla Spach Synonym M TRO
Oenothera heterophylla var. rhombipetala (Nutt. ex Torr. & A. Gray) Fosberg Unresolved L TRO
Oenothera hewetti Cockerell Unresolved L TRO
Oenothera hexandra (Ortega) W.L. Wagner & Hoch Synonym M TRO
Oenothera hexandra subsp. gracilis (Wooton & Standl.) W.L. Wagner & Hoch Synonym L TRO
Oenothera hexandra subsp. hexandra Unresolved L TRO
Oenothera hilgardii Greene Synonym M TRO
Oenothera hirsuta D. Dietr. Synonym M TRO
Oenothera hirsutissima (A. Gray ex S. Watson) de Vries Synonym M TRO
Oenothera hirta L. Synonym M TRO
Oenothera hirta var. exfoliata (A. Nelson) Munz Synonym L TRO
Oenothera hirta var. ignota (Jeps.) Munz Synonym L TRO
Oenothera hirta var. jonesii H. Lév. Synonym L TRO
Oenothera hirta f. reedii (Parish) Munz Unresolved L TRO
Oenothera hirtella Greene Accepted M TRO
Oenothera hispidula S.Watson Unresolved L WCSP (in review)
Oenothera hoelscheri Renner ex Rostański Unresolved L WCSP (in review)
Oenothera hoelscheri Renner ex Rostański Unresolved L WCSP (in review)
Oenothera holosericea Tausch Unresolved L WCSP (in review)
Oenothera hookeri Torr. & A. Gray Synonym M TRO
Oenothera hookeri var. franciscana (Bartlett) R.R. Gates Unresolved L TRO
Oenothera hookeri var. hirsutissima (A. Gray ex S. Watson) Munz Synonym L TRO
Oenothera hookeri var. irrigua (Wooton & Standl.) R.R. Gates Unresolved L TRO
Oenothera hookeri var. venusta (Bartlett) R.R. Gates Unresolved L TRO
Oenothera howardii (A. Nelson) W.L. Wagner Accepted M TRO
Oenothera humboldtii Engelm. Unresolved L TRO
Oenothera humifusa Nutt. Accepted L TRO
Oenothera humilis Donn Unresolved L WCSP (in review)
Oenothera hungarica Borbás Synonym M WCSP (in review)
Oenothera hybrida Michx. Synonym M TRO
Oenothera hybrida var. ambigua (Nutt.) S.F. Blake Unresolved L TRO
Oenothera hyssopifolia Molina Unresolved L WCSP (in review)
Oenothera ibari Phil. Unresolved L WCSP (in review)
Oenothera idahoensis Mulford Synonym M TRO
Oenothera ignota (Jeps.) Munz Accepted M TRO
Oenothera incana Nutt. Unresolved L WCSP (in review)
Oenothera inconspecta Hudziok Unresolved L WCSP (in review)
Oenothera indecora Cambess. Accepted M TRO
Oenothera indecora subsp. indecora Synonym L TRO
Oenothera indivisa Hudziok Unresolved L WCSP (in review)
Oenothera insignis Bartlett Unresolved L WCSP (in review)
Oenothera insignis Greene Unresolved L WCSP (in review)
Oenothera interior G.W.Stevens Unresolved L WCSP (in review)
Oenothera intermedia R.R. Gates Synonym M TRO
Oenothera irrigua Wooton & Standl. Synonym M TRO
Oenothera issleri Renner ex Rostański Synonym M WCSP (in review)
Oenothera italica Rostański & Soldano Unresolved L WCSP (in review)
Oenothera jacquinii Wehmer Unresolved L WCSP (in review)
Oenothera jamesii Torr. & A. Gray Accepted M TRO
Oenothera jepsonii Greene Unresolved L WCSP (in review)
Oenothera johnsonii Parry Synonym M TRO
Oenothera jonesii H.Lév. Unresolved L WCSP (in review)
Oenothera jueterbogensis Hudziok Unresolved L WCSP (in review)
Oenothera kernensis Munz Accepted M TRO
Oenothera kernensis subsp. gilmanii (Munz) Munz Synonym L TRO
Oenothera kleinii W.L.Wagner & S.W.Mill Unresolved L WCSP (in review)
Oenothera kunthiana (Spach) Munz Accepted M TRO
Oenothera kuntziana H.Lév. Unresolved L WCSP (in review)
Oenothera laciniata Hill Accepted M WCSP (in review)
Oenothera laciniata var. grandiflora (S. Watson) B.L. Rob. Accepted L TRO
Oenothera laciniata var. laciniata Synonym L TRO
Oenothera laciniata var. limensis Munz & I.M. Johnst. Synonym L TRO
Oenothera laciniata var. mexicana (Spach) Small Synonym L TRO
Oenothera laciniata var. pubescens (Willd. ex Spreng.) Munz Synonym L TRO
Oenothera laciniata subsp. pubescens (Willd. ex Spreng.) Munz Synonym L TRO
Oenothera laevifolia de Vries Unresolved L WCSP (in review)
Oenothera laevigata Greene Unresolved L WCSP (in review)
Oenothera laevigata var. scitula (Bartlett) R.R. Gates Unresolved L TRO
Oenothera lamarckiana Ser. Unresolved L TRO
Oenothera lampsana Buckley Synonym M TRO
Oenothera lasiocarpa Griseb. Accepted M TRO
Oenothera lata de Vries Unresolved L WCSP (in review)
Oenothera latiflora Ser. Synonym M TRO
Oenothera latifolia (Rydb.) Munz Accepted M TRO
Oenothera latipetala (Soldano) Soldano Unresolved L WCSP (in review)
Oenothera lavandulifolia Torr. & A. Gray Synonym M TRO
Oenothera lehmanniana Spach Unresolved L WCSP (in review)
Oenothera leona Buckley Unresolved L WCSP (in review)
Oenothera lepida D.Dietr. Unresolved L WCSP (in review)
Oenothera lepida var. arnottii (Torr. & A.Gray) S.Watson Unresolved L TRO
Oenothera lepida var. parviflora S. Watson Synonym L TRO
Oenothera leptocarpa Greene Accepted M TRO
Oenothera leptophylla (Torr. & A. Gray) Nutt. ex S. Watson Synonym L TRO
Oenothera leucocarpa Comien ex Lehm. Unresolved L WCSP (in review)
Oenothera leucophylla R.R.Gates Unresolved L WCSP (in review)
Oenothera levigata Bartlett Unresolved L WCSP (in review)
Oenothera lindheimeri (Engelm. & A. Gray) W.L. Wagner & Hoch Synonym M TRO
Oenothera lindleyana Steud. Unresolved L WCSP (in review)
Oenothera lindleyi Douglas Synonym L WCSP (in review)
Oenothera linearis Michx. Synonym M TRO
Oenothera linearis var. eamesii B.L. Rob. Synonym L TRO
Oenothera linifolia Nutt. Accepted M TRO
Oenothera lipsiensis Rostański & Gutte Unresolved L WCSP (in review)
Oenothera lithospermoides Nutt. ex Hook. & Arn. Unresolved L WCSP (in review)
Oenothera litorea Bartlett Synonym M TRO
Oenothera littoralis Schltdl. Synonym M TRO
Oenothera longiflora L. Accepted M WCSP (in review)
Oenothera longiflora subsp. longiflora Synonym L TRO
Oenothera longipedicellata (Small) B.L. Rob. Accepted M TRO
Oenothera longissima Rydb. Accepted M TRO
Oenothera longissima subsp. clutei (A. Nelson) Munz Accepted L TRO
Oenothera longituba W. Dietr. Accepted M TRO
Oenothera luciae (P.H.Raven) J.T.Howell Unresolved L WCSP (in review)
Oenothera luciae-julianiae W.L. Wagner Accepted M TRO
Oenothera lyrata H.Lév. Unresolved L WCSP (in review)
Oenothera macbrideae (A. Nelson) A. Heller Accepted M TRO
Oenothera macbrideae var. ornata (A. Nelson) R.R. Gates Accepted L TRO
Oenothera macrantha Sellow ex Salm-Dyck Unresolved L WCSP (in review)
Oenothera macrantha Nutt. ex Hook. & Arn. Unresolved L WCSP (in review)
Oenothera macrocarpa Nutt. Accepted M TRO
Oenothera macrocarpa subsp. fremontii (S. Watson) W.L. Wagner Accepted L TRO
Oenothera macrocarpa subsp. incana (A. Gray) W.L. Wagner Accepted L TRO
Oenothera macrocarpa subsp. macrocarpa Synonym L TRO
Oenothera macrocarpa subsp. oklahomensis (Norton) W.L. Wagner Accepted L TRO
Oenothera macrosceles A. Gray Accepted M TRO
Oenothera macrosiphon Lehm. Unresolved L WCSP (in review)
Oenothera macrosiphon Wooton & Standl. Unresolved L WCSP (in review)
Oenothera macrosperma (Hudziok) Hudziok Unresolved L WCSP (in review)
Oenothera maculata Steud. Unresolved L WCSP (in review)
Oenothera magallanica Phil. Accepted M WCSP (in review)
Oenothera magdalenae R.R. Gates Unresolved L TRO
Oenothera malacophylla Spach Unresolved L WCSP (in review)
Oenothera mandonii H. Lév. Synonym M TRO
Oenothera marginata Nutt. ex Hook. & Arn. Synonym M TRO
Oenothera marginata var. purpurea S. Watson Synonym L TRO
Oenothera marinellae Soldano Unresolved L WCSP (in review)
Oenothera maritima Nutt. ex Hook. & Arn. Unresolved L WCSP (in review)
Oenothera maysillesii Munz Unresolved L WCSP (in review)
Oenothera mckelveyae (Munz) W.L. Wagner & Hoch Accepted M TRO
Oenothera media Link Unresolved L WCSP (in review)
Oenothera mediomarchica Hudziok Unresolved L WCSP (in review)
Oenothera megalantha (Munz) P.H. Raven Synonym M TRO
Oenothera mendocinensis Gillies ex Hook. & Arn. Accepted M TRO
Oenothera mexicana Spach Synonym M TRO
Oenothera micans Tausch Unresolved L WCSP (in review)
Oenothera micrantha Hornem. ex Spreng. Synonym M TRO
Oenothera micrantha var. acuminata (Phil.) Munz Synonym L TRO
Oenothera micrantha var. exfoliata (A. Nelson) Munz Unresolved L TRO
Oenothera micrantha var. hirtella (Greene) Jeps. Synonym L TRO
Oenothera micrantha var. jonesii (H. Lév.) Munz Unresolved L TRO
Oenothera micrantha var. reedii (Parish) Jeps. Synonym L TRO
Oenothera millersii de Vries Unresolved L WCSP (in review)
Oenothera minima Pursh Unresolved L WCSP (in review)
Oenothera minor (A. Nelson) Munz Synonym M TRO
Oenothera minutiflora D.Dietr. Unresolved L WCSP (in review)
Oenothera missouriensis Sims Accepted M TRO
Oenothera missouriensis var. incana A. Gray Synonym L TRO
Oenothera missouriensis var. oklahomensis (Norton) Munz Synonym L TRO
Oenothera mollis Renner Unresolved L WCSP (in review)
Oenothera mollissima L. Accepted M TRO
Oenothera mollissima var. longiflora (L.) Hassl. Synonym L WCSP (in review)
Oenothera mollissima var. paraguayensis Chodat Synonym L TRO
Oenothera montana Nutt. Accepted M TRO
Oenothera montereyensis (Munz) Rostański Unresolved L WCSP (in review)
Oenothera montevidensis W. Dietr. Accepted M TRO
Oenothera moravica V.Jehlík & Rostański Unresolved L WCSP (in review)
Oenothera muelleri Munz Unresolved L WCSP (in review)
Oenothera multicaulis Ruiz & Pav. Accepted M TRO
Oenothera multicaulis var. petiolaris Ball Synonym L TRO
Oenothera multicaulis var. tarquensis (Kunth) Munz & I.M. Johnst. Synonym L TRO
Oenothera multiflora R.R.Gates Unresolved L WCSP (in review)
Oenothera multijuga S.Watson Synonym M WCSP (in review)
Oenothera multijuga var. parviflora (S.Watson) Munz Synonym L WCSP (in review)
Oenothera munzii P.H.Raven Synonym M WCSP (in review)
Oenothera murdockii S.L.Welsh & N.D.Atwood Unresolved L WCSP (in review)
Oenothera muricata L. Synonym M TRO
Oenothera mutabilis Steud. Synonym M TRO
Oenothera nana Griseb. Accepted M TRO
Oenothera nanella de Vries Unresolved L WCSP (in review)
Oenothera neomexicana (Small) Munz Accepted L TRO
Oenothera nervosa Hornem. ex Sweet Unresolved L WCSP (in review)
Oenothera nevadensis Kellogg Synonym M WCSP (in review)
Oenothera niagarensis R.R. Gates Synonym M TRO
Oenothera nissensis Rostański Unresolved L WCSP (in review)
Oenothera nitida Greene Synonym M TRO
Oenothera niveifolia Gand. Unresolved L WCSP (in review)
Oenothera nivertiana (Goujon) N.E.Br. Unresolved L WCSP (in review)
Oenothera nobska Sturtev. Synonym M TRO
Oenothera nocturna Jacq. Accepted M TRO
Oenothera novae-scotiae R.R.Gates Unresolved L WCSP (in review)
Oenothera novae-scotiae var. intermedia (R.R. Gates) R.R. Gates Unresolved L TRO
Oenothera nuda Renner ex Rostański Unresolved L WCSP (in review)
Oenothera numismatica Bartlett Synonym M TRO
Oenothera nutans G.F. Atk. & Bartlett Accepted M TRO
Oenothera nuttallii Sweet Accepted M TRO
Oenothera nyctaginifolia Small Unresolved L TRO
Oenothera oakesiana (A.Gray) G.T.Robbins ex S.Watson Accepted M WCSP (in review)
Oenothera oakesiana (A. Gray) J.W. Robbins ex S. Watson & J.M. Coult. Synonym M TRO
Oenothera oakesiana var. nobska (Sturtev.) R.R. Gates Accepted L TRO
Oenothera oakesiana var. tidestromii (Bartlett) R.R. Gates Accepted L TRO
Oenothera oblonga de Vries Unresolved L WCSP (in review)
Oenothera obscurifolia Hudziok Unresolved L WCSP (in review)
Oenothera obtusifolia D.Dietr. Unresolved L WCSP (in review)
Oenothera octolineata Hudziok Unresolved L WCSP (in review)
Oenothera octovalvis Jacq. Synonym M WCSP (in review)
Oenothera odorata Jacq. Accepted M WCSP (in review)
Oenothera odoratissima Tausch Unresolved L WCSP (in review)
Oenothera oehlkersi Kappus Unresolved L TRO
Oenothera oklahomensis (Norton) Hitchc. Synonym M TRO
Oenothera organensis Munz Accepted M TRO
Oenothera orizabae W.L. Wagner Accepted M TRO
Oenothera ornata (A. Nelson) Rydb. Synonym M TRO
Oenothera ostreae Sturtev. Synonym M TRO
Oenothera ovata Nutt. Accepted M TRO
Oenothera oxypetala de Vries Unresolved L WCSP (in review)
Oenothera pachycarpa Renner ex Rudloff Unresolved L WCSP (in review)
Oenothera pallida Douglas ex Lindl. Accepted M TRO
Oenothera pallida var. californica (S. Watson) Jeps. Accepted L TRO
Oenothera pallida subsp. gypsophila (Eastw.) Munz & W.M. Klein Accepted L TRO
Oenothera pallida var. leptophylla Torr. & A. Gray Synonym L TRO
Oenothera pallida var. pallida Synonym L TRO
Oenothera pallida var. runcinata (Engelm.) Cronquist Accepted L TRO
Oenothera pallida var. trichocalyx (Nutt.) Dorn Accepted L TRO
Oenothera pallidula (Munz) Munz Synonym M WCSP (in review)
Oenothera palmeri S. Watson Accepted M TRO
Oenothera paludosa Featherm. Unresolved L WCSP (in review)
Oenothera paradoxa Hudziok Unresolved L WCSP (in review)
Oenothera paralamarckiana R.R.Gates Unresolved L WCSP (in review)
Oenothera parodiana Munz Accepted M TRO
Oenothera parodiana subsp. parodiana Synonym L TRO
Oenothera parodiana subsp. strigulosa W. Dietr. Synonym L TRO
Oenothera parryi S.Watson Synonym M WCSP (in review)
Oenothera parva R.R. Gates Synonym M TRO
Oenothera parviflora L. Accepted M WCSP (in review)
Oenothera parviflora subsp. angustissima (R.R. Gates) Munz Accepted L TRO
Oenothera parviflora var. oakesiana (A. Gray) Fernald Synonym L TRO
Oenothera parviflora f. parviflora Synonym L TRO
Oenothera parviflora var. parviflora Synonym L TRO
Oenothera parvula Nutt. Synonym M WCSP (in review)
Oenothera patriciae W.L.Wagner & Hoch Unresolved L WCSP (in review)
Oenothera pedemontana Soldano Unresolved L WCSP (in review)
Oenothera pedunculifolia W. Dietr. Accepted M TRO
Oenothera pellegrinii Soldano Unresolved L WCSP (in review)
Oenothera pennellii Munz Unresolved L WCSP (in review)
Oenothera perampla Graham Unresolved L WCSP (in review)
Oenothera perangusta R.R.Gates Unresolved L WCSP (in review)
Oenothera perennis L. Accepted M WCSP (in review)
Oenothera perennis var. perennis Synonym L TRO
Oenothera perennis var. rectipilis (S.F. Blake) S.F. Blake Accepted L TRO
Oenothera peruana W. Dietr. Accepted M TRO
Oenothera phlebophylla Tidestr. Unresolved L WCSP (in review)
Oenothera picensis Phil. Unresolved L WCSP (in review)
Oenothera pilosella Raf. Accepted M TRO
Oenothera pilosella var. sessilis (Pennell) B.L. Turner Accepted L TRO
Oenothera pinnatifida Nutt. Synonym L TRO
Oenothera platanorum P.H. Raven & D.R. Parn. Accepted M TRO
Oenothera plicatula Lutz Unresolved L WCSP (in review)
Oenothera × polgari Rostański Unresolved L WCSP (in review)
Oenothera polymorpha H.Lév. Unresolved L WCSP (in review)
Oenothera polymorpha var. stricta (Ledeb. ex Link) H.Lév. Synonym L WCSP (in review)
Oenothera prasina Greene Unresolved L WCSP (in review)
Oenothera pratensis (Small) B.L. Rob. Accepted M TRO
Oenothera pratincola Bartlett Unresolved L WCSP (in review)
Oenothera pratincola Greene Unresolved L WCSP (in review)
Oenothera pratincola var. numismatica (Bartlett) R.R. Gates Unresolved L TRO
Oenothera previpetala Dietrich Unresolved L TRO
Oenothera primiveris A. Gray Accepted M TRO
Oenothera primiveris var. bufonis (M.E. Jones) Cronquist Accepted L TRO
Oenothera primiveris subsp. primiveris Synonym L TRO
Oenothera primiveris var. primiveris Synonym L TRO
Oenothera primuloidea H.Lév. Unresolved L WCSP (in review)
Oenothera pringlei (Munz) Munz Unresolved L WCSP (in review)
Oenothera prismatica H.Lév. Unresolved L WCSP (in review)
Oenothera prismatica var. amoena (Lehm.) H. Lév. Synonym L TRO
Oenothera procera Wooton & Standl. Unresolved L WCSP (in review)
Oenothera propinqua Spach Synonym M TRO
Oenothera prostrata Ruiz & Pav. Synonym M TRO
Oenothera psammophila (A. Nelson & J.F. Macbr.) W.L. Wagner, Stockh. & W.M. Klein Accepted M TRO
Oenothera × pseudocernua Hudziok Unresolved L WCSP (in review)
Oenothera pseudochicaginensis Rostański Unresolved L WCSP (in review)
Oenothera pseudoelongata W. Dietr. Accepted M TRO
Oenothera pseudolongiflora W. Dietr. Synonym M TRO
Oenothera psychrophila Ball Synonym M TRO
Oenothera pterosperma S.Watson Synonym M WCSP (in review)
Oenothera pubens (S. Watson) Munz Accepted M TRO
Oenothera pubescens Willd. ex Spreng. Accepted M TRO
Oenothera pulchella E.H.L.Krause Unresolved L WCSP (in review)
Oenothera pulchella H.Lév. Unresolved L WCSP (in review)
Oenothera pumila L. Synonym M TRO
Oenothera pumila var. chrysantha (Michx.) Gordinier & Howe Unresolved L TRO
Oenothera pumila var. pusilla (Michx.) Torr. & A. Gray Unresolved L TRO
Oenothera pumila var. rectipilis S.F. Blake Synonym L TRO
Oenothera punae Kuntze Accepted M TRO
Oenothera punctata H.Lév. Unresolved L WCSP (in review)
Oenothera × punctulata Rostański & Gutte Unresolved L TRO
Oenothera × purpurans Borbás Unresolved L WCSP (in review)
Oenothera purpurata Kleb. Unresolved L WCSP (in review)
Oenothera purpurea Curtis Synonym M TRO
Oenothera purpusii Munz Synonym M TRO
Oenothera purshiana Steud. Unresolved L WCSP (in review)
Oenothera purshii G.Don Unresolved L WCSP (in review)
Oenothera pusilla Michx. Synonym M TRO
Oenothera pycnocarpa G.F. Atk. & Bartlett Synonym M TRO
Oenothera pygmaea Douglas Synonym M WCSP (in review)
Oenothera pyramidalis H.Lév. Unresolved L WCSP (in review)
Oenothera pyramidiflora Hudziok Unresolved L WCSP (in review)
Oenothera quadricolumnata Noronha Unresolved L WCSP (in review)
Oenothera quadrivulnera Douglas ex Lindl. Synonym M WCSP (in review)
Oenothera quadrivulnera var. hirsuta Kellogg Synonym L TRO
Oenothera racemosa Nutt. Unresolved L WCSP (in review)
Oenothera ramosissima Nutt. Unresolved L WCSP (in review)
Oenothera ramulosa Steud. Unresolved L WCSP (in review)
Oenothera ravenii W. Dietr. Accepted M TRO
Oenothera ravenii subsp. chilensis W. Dietr. Accepted L TRO
Oenothera ravenii subsp. ravenii Synonym L TRO
Oenothera recurva W. Dietr. Accepted M TRO
Oenothera refracta S.Watson Synonym M WCSP (in review)
Oenothera renneri H.Scholz Synonym M WCSP (in review)
Oenothera repanda Medik. Unresolved L WCSP (in review)
Oenothera repandodentata R.R. Gates Synonym M TRO
Oenothera reynoldsii Bartlett Unresolved L WCSP (in review)
Oenothera reynoldsii Greene Unresolved L WCSP (in review)
Oenothera rhizocarpa Spreng. Unresolved L WCSP (in review)
Oenothera rhizomata A. Nelson Unresolved L TRO
Oenothera rhombipetala Nutt. ex Torr. & A. Gray Accepted M TRO
Oenothera rhomboidea H.Lév. Unresolved L WCSP (in review)
Oenothera rigida Gillies ex Hook. & Arn. Unresolved L WCSP (in review)
Oenothera × rigirubata Renner ex P.Gutte & Rostański Unresolved L WCSP (in review)
Oenothera riparia Nutt. Accepted M TRO
Oenothera riskindii W.L.Wagner Unresolved L WCSP (in review)
Oenothera rivadaviae W. Dietr. Accepted M TRO
Oenothera robinsonii Bartlett Unresolved L WCSP (in review)
Oenothera roemeriana Scheele Unresolved L WCSP (in review)
Oenothera romanzovii Ledeb. ex Hornem. Unresolved L TRO
Oenothera romanzowii Ledeb. Unresolved L WCSP (in review)
Oenothera rosea L'Hér. ex Aiton Accepted M WCSP (in review)
Oenothera rosea var. parvifolia J.M. Coult. Synonym L TRO
Oenothera roseo-alba Bernh. Unresolved L TRO
Oenothera roseoalba Bernh. ex Rchb.f. Unresolved L WCSP (in review)
Oenothera rostanski V. Jehlík Unresolved L TRO
Oenothera royfraseri R.R. Gates Synonym M TRO
Oenothera rubescens Greene Unresolved L WCSP (in review)
Oenothera rubescens Bartlett Unresolved L WCSP (in review)
Oenothera rubicunda Torr. & A.Gray Unresolved L WCSP (in review)
Oenothera rubicunda Durand Unresolved L WCSP (in review)
Oenothera rubicunda Hook. & Arn. Unresolved L WCSP (in review)
Oenothera rubida Rusby Synonym M TRO
Oenothera rubiennis de Vries Unresolved L WCSP (in review)
Oenothera rubra Cav. Synonym M TRO
Oenothera rubricalyx R.R.Gates Unresolved L WCSP (in review)
Oenothera rubricapitata R.R.Gates Unresolved L WCSP (in review)
Oenothera rubricaulis Kleb. Synonym M WCSP (in review)
Oenothera rubricauloides Rostański Unresolved L WCSP (in review)
Oenothera rubricuspis Renner ex Rostański Unresolved L WCSP (in review)
Oenothera rubricuspis Renner Unresolved L WCSP (in review)
Oenothera rubrinervis de Vries Unresolved L WCSP (in review)
Oenothera rubrinervoides R.R.Gates Unresolved L WCSP (in review)
Oenothera rubritincta R.R.Gates Unresolved L WCSP (in review)
Oenothera rudalis Greene Unresolved L WCSP (in review)
Oenothera ruderalis Bartlett Unresolved L WCSP (in review)
Oenothera runcinata (Engelm.) Munz Synonym M TRO
Oenothera runcinata var. brevifolia (Engelm.) Munz Unresolved L TRO
Oenothera runcinata var. gypsophila (Eastw.) Munz Synonym L TRO
Oenothera runcinata var. leucotricha (Wooton & Standl.) Munz Unresolved L TRO
Oenothera rutila Davidson Synonym M TRO
Oenothera rydbergii House Accepted M TRO
Oenothera sabulosa Farw. Unresolved L WCSP (in review)
Oenothera sackvillensis R.R.Gates Unresolved L WCSP (in review)
Oenothera sackvillensis var. royfraseri (R.R. Gates) R.R. Gates Unresolved L TRO
Oenothera salicastrum de Vries Unresolved L WCSP (in review)
Oenothera salicifolia Desf. Unresolved L WCSP (in review)
Oenothera salicifolia Desf. ex Lehm. Unresolved L WCSP (in review)
Oenothera salicina Nutt. Unresolved L WCSP (in review)
Oenothera sandiana Hassk. Accepted M TRO
Oenothera santarii W. Dietr. Accepted M TRO
Oenothera × saxonica Gutte & Rostański Unresolved L WCSP (in review)
Oenothera scabra K. Krause Accepted M TRO
Oenothera scandinavica Rostański Unresolved L WCSP (in review)
Oenothera scapigera Pursh Unresolved L WCSP (in review)
Oenothera scapoidea Torr. & A.Gray Synonym M WCSP (in review)
Oenothera scapoidea var. aurantiaca S.Watson Synonym L WCSP (in review)
Oenothera scapoidea subsp. brachycarpa P.H.Raven Synonym L WCSP (in review)
Oenothera scapoidea var. claviformis (Torr. & Frém.) S. Watson Synonym L TRO
Oenothera scapoidea var. eastwoodiae Munz Synonym L WCSP (in review)
Oenothera scapoidea subsp. macrocarpa P.H.Raven Synonym L WCSP (in review)
Oenothera scapoidea var. parryi (S. Watson) M.E. Jones Synonym L TRO
Oenothera scapoidea var. purpurascens S. Watson Synonym L TRO
Oenothera scapoidea var. seorsa (A. Nelson) Munz Synonym L TRO
Oenothera scapoidea var. tortilis Jeps. Synonym L WCSP (in review)
Oenothera scapoidea subsp. utahensis P.H.Raven Synonym L WCSP (in review)
Oenothera sceptrostigma Brandegee Synonym M WCSP (in review)
Oenothera scintillans de Vries Unresolved L WCSP (in review)
Oenothera scitula Bartlett Synonym M TRO
Oenothera scoparia Ruiz & Pav. ex D.Don Unresolved L WCSP (in review)
Oenothera seifrizii Munz Accepted M WCSP (in review)
Oenothera sellowii Link & Otto ex Steud. Unresolved L WCSP (in review)
Oenothera semilata de Vries Unresolved L WCSP (in review)
Oenothera sericea Kuntze Unresolved L TRO
Oenothera serotina Lehm. Unresolved L WCSP (in review)
Oenothera serotina Sweet Unresolved L WCSP (in review)
Oenothera serratifolia K. Krause Synonym M TRO
Oenothera serrulata Nutt. Accepted M TRO
Oenothera serrulata subsp. drummondii (Torr. & A. Gray) ex Munz Accepted L TRO
Oenothera serrulata var. drummondii Torr. & A. Gray Synonym L TRO
Oenothera serrulata var. pinifolia Engelm. ex A. Gray Synonym L TRO
Oenothera serrulata subsp. pinifolia (Engelm. ex Gray) Munz Unresolved L TRO
Oenothera serrulata var. spinulosa Torr. & A. Gray Synonym L TRO
Oenothera × serrulatoides H.Lév. Unresolved L WCSP (in review)
Oenothera sesitensis Soldano Unresolved L WCSP (in review)
Oenothera sessilis (Pennell) Munz Accepted M TRO
Oenothera shimekii H.Lév. & Guffroy Unresolved L WCSP (in review)
Oenothera shulliana A.H.Sturtev. Unresolved L WCSP (in review)
Oenothera siambonensis W. Dietr. Accepted M TRO
Oenothera silesiaca Renner Synonym M WCSP (in review)
Oenothera siliquosa Nutt. Unresolved L WCSP (in review)
Oenothera simplex (Small) Tidestr. Accepted L TRO
Oenothera simsiana Ser. Synonym M TRO
Oenothera simulans (Small) W.L. Wagner & Hoch Synonym M TRO
Oenothera sinuata L. Synonym M WCSP (in review)
Oenothera sinuata var. grandiflora S. Watson Synonym L TRO
Oenothera sinuata var. humifusa (Nutt.) Torr. & A. Gray Unresolved L TRO
Oenothera sinuosa W.L.Wagner & Hoch Unresolved L WCSP (in review)
Oenothera × slovaca V.Jehlik & Rostański Unresolved L WCSP (in review)
Oenothera spachiana Torr. & A. Gray Accepted M TRO
Oenothera spachii D.Dietr. Unresolved L WCSP (in review)
Oenothera spathulata de Vries Unresolved L WCSP (in review)
Oenothera specicola P.H.Raven Synonym M WCSP (in review)
Oenothera specicola subsp. hesperia P.H.Raven Synonym L WCSP (in review)
Oenothera speciosa Nutt. Accepted M WCSP (in review)
Oenothera speciosa var. berlandieri (Spach) Munz Accepted L TRO
Oenothera speciosa var. childsii (L.H. Bailey) Munz Accepted L TRO
Oenothera speciosa var. speciosa Synonym L TRO
Oenothera spectabilis Bernh. ex Steud. Unresolved L WCSP (in review)
Oenothera spectabilis Spach Unresolved L WCSP (in review)
Oenothera spectabilis Lehm. Unresolved L WCSP (in review)
Oenothera spinulosa Nutt. Unresolved L WCSP (in review)
Oenothera spiralis Hook. Synonym M TRO
Oenothera spiralis var. nitida (Greene) Jeps. Synonym L TRO
Oenothera spiralis f. viridescens (Hook.) H. Lév. Synonym L TRO
Oenothera spiralis var. viridescens (Hook.) Jeps. Synonym L TRO
Oenothera stenomeres Bartlett Unresolved L WCSP (in review)
Oenothera stenopetala E.P. Bicknell Synonym M TRO
Oenothera stenophylla Steud. Unresolved L WCSP (in review)
Oenothera striata Ledeb. ex Link Unresolved L WCSP (in review)
Oenothera stricta Ledeb. ex Link Accepted M WCSP (in review)
Oenothera stricta subsp. altissima W. Dietr. Accepted L TRO
Oenothera stricta subsp. argentinae W. Dietr. Synonym L TRO
Oenothera stricta subsp. stricta Synonym L TRO
Oenothera strigosa (Rydb.) Mack. & Bush Synonym M WCSP (in review)
Oenothera strigosa Willd. ex Spreng. [Invalid] Unresolved L WCSP (in review)
Oenothera strigosa var. albinervis (R.R. Gates) R.R. Gates Unresolved L TRO
Oenothera strigosa subsp. canovirens (E.S. Steele) Munz Unresolved L TRO
Oenothera strigosa var. cheradolphila (Bartlett) R.R. Gates Synonym L TRO
Oenothera strigosa subsp. cheradophila (Bartlett) Munz Unresolved L TRO
Oenothera strigosa var. cockerellii (Bartlett & de Vries) R.R. Gates Unresolved L TRO
Oenothera strigosa var. depressa (Greene) D.M. Gates Unresolved L TRO
Oenothera strigosa var. subulifera (Rydb.) R.R. Gates Unresolved L TRO
Oenothera strigulosa (Fisch. & C.A. Mey.) Torr. & A. Gray Synonym M TRO
Oenothera strigulosa var. epilobioides Greene Synonym L TRO
Oenothera strigulosa var. pubens S. Watson Synonym L TRO
Oenothera stubbei W.Dietr., P.H.Raven & W.L.Wagner Unresolved L WCSP (in review)
Oenothera stucchii Soldano Unresolved L WCSP (in review)
Oenothera stuebelii Hieron. Synonym M TRO
Oenothera suaveolens Pers. Synonym M WCSP (in review)
Oenothera suaveolens var. latipetala Soldano Synonym L WCSP (in review)
Oenothera subacaulis (Pursh) Garrett Accepted M TRO
Oenothera subacaulis var. taraxacifolia (S. Watson) Jeps. Accepted L TRO
Oenothera subglobosa (Small) Weath. & Griscom Synonym M TRO
Oenothera subglobosa var. arenicola (Small) Weath. & Griscom Unresolved L TRO
Oenothera subincana Steud. Unresolved L WCSP (in review)
Oenothera sublinearis de Vries Unresolved L WCSP (in review)
Oenothera subovata de Vries Unresolved L WCSP (in review)
Oenothera subterminalis R.R. Gates Synonym M TRO
Oenothera subulata Ruiz & Pav. Synonym M TRO
Oenothera subulifera Rydb. Synonym M TRO
Oenothera suffrutescens (Ser.) W.L. Wagner & Hoch Synonym M TRO
Oenothera suffulta (Engelm. ex A. Gray) W.L. Wagner & Hoch Synonym M TRO
Oenothera suffulta subsp. nealleyi (J.M. Coult.) W.L. Wagner & Hoch Synonym L TRO
Oenothera sulfurea H.Lév. Unresolved L WCSP (in review)
Oenothera suzukiana R.Jean & R.Linder Unresolved L WCSP (in review)
Oenothera syrticola Greene Unresolved L WCSP (in review)
Oenothera syrticola Bartlett Unresolved L WCSP (in review)
Oenothera syrticola var. litorea (Bartlett) R.R. Gates Unresolved L TRO
Oenothera × tacikii Rostański Unresolved L WCSP (in review)
Oenothera tafiensis W.Dietr. Unresolved L WCSP (in review)
Oenothera tamrae W.Dietr. & W.L.Wagner Unresolved L WCSP (in review)
Oenothera tanacetifolia Torr. & A. Gray Accepted M TRO
Oenothera taraxacifolia H.Lév. & Guffroy Unresolved L WCSP (in review)
Oenothera taraxacifolia Sweet Unresolved L WCSP (in review)
Oenothera taraxacifolia var. ecristata (M.E. Jones) H. Lév. & Guffroy Unresolved L TRO
Oenothera taraxacoides (Wooton & Standl.) Munz Accepted M TRO
Oenothera × taraxeri Sotti Unresolved L WCSP (in review)
Oenothera tardiflora R.R.Gates Unresolved L WCSP (in review)
Oenothera tarijensis W. Dietr. Accepted M TRO
Oenothera tarquensis Kunth Synonym M TRO
Oenothera tasmanica Hook. f. Synonym L TRO
Oenothera × teframila de Andrade Unresolved L WCSP (in review)
Oenothera tenella Cav. Synonym L TRO
Oenothera tenuifolia Cav. Synonym L TRO
Oenothera tenuissima M.E.Jones Synonym M WCSP (in review)
Oenothera tetragona Roth Accepted M TRO
Oenothera tetragona var. fraseri (Pursh) Munz Accepted L TRO
Oenothera tetragona subsp. glauca (Michx.) Munz Synonym L TRO
Oenothera tetragona var. hybrida (Michx.) Fernald Accepted L TRO
Oenothera tetragona f. hybrida (Michx.) Munz Synonym L TRO
Oenothera tetragona var. latifolia (Rydb.) Fernald Accepted L TRO
Oenothera tetragona f. latifolia (Rydb.) Munz Synonym L TRO
Oenothera tetragona var. longistipata (Pennell) Munz Accepted L TRO
Oenothera tetragona var. tetragona Synonym L TRO
Oenothera tetragona var. velutina (Pennell) Munz Accepted L TRO
Oenothera tetraptera Cav. Accepted M WCSP (in review)
Oenothera tetraptera var. childsii L.H. Bailey Synonym L TRO
Oenothera texensis P.H. Raven & D.R. Parn. Accepted M TRO
Oenothera thalassaphila Brandegee Synonym M TRO
Oenothera tidestromii Bartlett Synonym M TRO
Oenothera torreyi S. Watson Synonym L TRO
Oenothera torreyoides H.Lév. Unresolved L WCSP (in review)
Oenothera torulosa H.Lév. Unresolved L WCSP (in review)
Oenothera torulosa f. cruciata (S. Watson) H. Lév. Unresolved L TRO
Oenothera torulosa f. mixta H. Lév. Synonym L TRO
Oenothera toumeyi (Small) Tidestr. Synonym M TRO
Oenothera tracyi Bartlett Synonym M TRO
Oenothera triangulata (Buckley) W.L. Wagner & Hoch Synonym M TRO
Oenothera trichocalyx Nutt. Synonym M TRO
Oenothera trichocalyx var. cineracea Jeps. Synonym L TRO
Oenothera trichocalyx var. cognata Jeps. Synonym L TRO
Oenothera triloba Nutt. Accepted M TRO
Oenothera triloba var. ecristata M.E. Jones Synonym L TRO
Oenothera tubicula A. Gray Synonym M TRO
Oenothera tubicula var. filifolia Eastw. Synonym L TRO
Oenothera tubicula subsp. strigosula (Towner) W.L. Wagner & Hoch Synonym L TRO
Oenothera tubifera Ser. Synonym M TRO
Oenothera tucumanensis W. Dietr. Synonym M TRO
Oenothera turoviensis Rostański Unresolved L WCSP (in review)
Oenothera uncinata Scheele Unresolved L WCSP (in review)
Oenothera undulata W.T.Aiton Unresolved L WCSP (in review)
Oenothera uniflora Gillies ex Hook. & Arn. Unresolved L WCSP (in review)
Oenothera uniflora Raf. Unresolved L WCSP (in review)
Oenothera utahensis (Small) Garrett Accepted M TRO
Oenothera valdiviana Phil. Synonym M TRO
Oenothera varigata Ruiz & Pav. Unresolved L TRO
Oenothera variifolia Steud. Unresolved L WCSP (in review)
Oenothera veitchiana (Hook.) Tidestr. Accepted M TRO
Oenothera velutinifolia Hudziok Unresolved L WCSP (in review)
Oenothera × velutirubata Renner Synonym M WCSP (in review)
Oenothera venosa Shull & Bartlett Unresolved L WCSP (in review)
Oenothera venusta Bartlett Synonym M TRO
Oenothera venusta var. grisea Bartlett Synonym L TRO
Oenothera verrucosa I.M. Johnst. Accepted M TRO
Oenothera versicolor Lehm. Accepted M TRO
Oenothera victorinii R.R.Gates & Catches. Unresolved L WCSP (in review)
Oenothera villaricae W. Dietr. Accepted M TRO
Oenothera villosa Thunb. Accepted M WCSP (in review)
Oenothera villosa var. strigosa (Rydb.) Dorn Synonym L WCSP (in review)
Oenothera villosa subsp. strigosa (Rydb.) W.Dietr. & P.H.Raven Accepted L WCSP (in review)
Oenothera villosa subsp. villosa Synonym L TRO
Oenothera villosa var. villosa Synonym L TRO
Oenothera viminea Douglas Synonym M TRO
Oenothera viminea var. parviflora Hook. & Arn. Synonym L TRO
Oenothera vinosa (Lindl.) Torr. & A. Gray Synonym L TRO
Oenothera virgata Ruiz & Pav. Synonym M TRO
Oenothera viridescens Hook. Synonym M TRO
Oenothera viscosa Raf. Unresolved L WCSP (in review)
Oenothera volkmannii H.Lév. & Guffroy Unresolved L WCSP (in review)
Oenothera vrieseana H.Lév. Unresolved L WCSP (in review)
Oenothera walkeri (A.Nelson) P.H.Raven Synonym M WCSP (in review)
Oenothera walkeri subsp. tortilis (Jeps.) P.H. Raven Synonym L TRO
Oenothera walpersii Donn.Sm. Unresolved L WCSP (in review)
Oenothera watsonii Tidestr. Unresolved L WCSP (in review)
Oenothera webbiana Steud. Unresolved L WCSP (in review)
Oenothera weberbaueri Krause Synonym M TRO
Oenothera whitneyi A. Gray Synonym M TRO
Oenothera wienii Renner ex Rostański Unresolved L WCSP (in review)
Oenothera wigginsii W.M. Klein Accepted M TRO
Oenothera williamsonii S.Watson Unresolved L WCSP (in review)
Oenothera wislizeni H.Lév. Unresolved L WCSP (in review)
Oenothera wolfii (Munz) P.H. Raven, W. Dietr. & Stubbe Accepted M TRO
Oenothera wratislaviensis Rostański Unresolved L WCSP (in review)
Oenothera wrightii A. Gray Synonym M TRO
Oenothera xenogaura W.L.Wagner & Hoch Unresolved L WCSP (in review)
Oenothera xylocarpa Coville Accepted M TRO
Oenothera youngii L.H.Bailey Unresolved L WCSP (in review)