Sphaerostigma boothii var. pygmaeum (Douglas) Walp. variety synonym

Oenothera gouldii (P.H.Raven) S.L.Welsh & N.D.Atwood species synonym

Oenothera pygmaea Douglas species heterotypic synonym

Camissonia pygmaea (Douglas) species heterotypic synonym

Oenothera gauriflora var. vermiculata M.E.Jones variety synonym

Sphaerostigma tortum var. eastwoodiae A.Nelson variety synonym

Camissonia pygmaea (Douglas ex Lehm.) P.H.Raven species synonym

Oenothera boothii var. pygmaea (Douglas) Torr. & A.Gray variety synonym

Eremothera boothii (Douglas) W.L.Wagner & Hoch species accepted

Sphaerostigma tortum (H.Lév.) A.Nelson species synonym

Oenothera gauraeflora Torr. & A.Gray species synonym

Eremothera refracta (S.Watson) W.L.Wagner & Hoch species accepted

Eremothera pygmaea (Douglas) W.L.Wagner & Hoch species accepted

Eremothera nevadensis (Kellogg) W.L.Wagner & Hoch species accepted

Eremothera minor (A.Nelson) W.L.Wagner & Hoch species accepted

Eremothera gouldii (P.H.Raven) W.L.Wagner & Hoch species accepted

Eremothera chamaenerioides (A.Gray) W.L.Wagner & Hoch species accepted

Oenothera chamaenerioides A.Gray species synonym

Camissonia nevadensis (Kellogg) P.H.Raven species synonym

Oenothera nevadensis Kellogg species synonym

Camissonia refracta (S.Watson) P.H.Raven species synonym

Oenothera refracta S.Watson species synonym

Oenothera pygmaea Douglas ex Lehm. species synonym

Camissonia gouldii P.H.Raven species synonym

Camissonia minor (A.Nelson) P.H.Raven species synonym

Oenothera minor (A.Nelson) Munz species synonym

Oenothera minor var. cusickii Munz variety synonym

Sphaerostigma minor A.Nelson species synonym

Camissonia chamaenerioides (A.Gray ex S.Watson) P.H.Raven species synonym

Oenothera minor var. typica Munz variety synonym

Oenothera chamaenerioides var. torta H.Lév. variety synonym

Oenothera boothii var. typica Munz variety synonym

Sphaerostigma tortuosum A.Nelson species synonym

Sphaerostigma refractum (S.Watson) Small species synonym

Sphaerostigma nevadense (Kellogg) A.Heller species synonym

Sphaerostigma nelsonii A.Heller species synonym

Sphaerostigma minutiflorum Rydb. species heterotypic synonym

Sphaerostigma minus A.Nelson species synonym

Sphaerostigma erythrum Davidson species synonym

Sphaerostigma deserti (M.E.Jones) A.Heller species synonym

Sphaerostigma chamaenerioides (A.Gray) Small species synonym

Oenothera gauriflora var. caput-medusae H.Lév. variety synonym

Oenothera erythra (Davidson) J.F.Macbr. species synonym

Oenothera deserti M.E.Jones species synonym