Oenothera dentata Ser. species synonym

Oenothera asperifolia Nutt. species synonym

Oenothera graciliflora Torr. species heterotypic synonym

Oenothera jonesii H.Lév. species synonym

Oenothera bottae Steud. species heterotypic synonym

Oenothera hirta Link species heterotypic synonym

Sphaerostigma bistorta var. veitchianum (Hook.) A.Nelson variety synonym

Oenothera micrantha Hornem. species homotypic synonym

Oenothera distorta H.J.Veitch species homotypic synonym

Oenothera rigida Gillies species homotypic synonym

Oenothera hirta var. jonesii H.Lév. variety synonym

Camissoniopsis pallida (Abrams) W.L.Wagner & Hoch species accepted

Camissoniopsis guadalupensis (S.Watson) W.L.Wagner & Hoch species accepted

Camissoniopsis cheiranthifolia (Hornem. ex Spreng.) W.L.Wagner & Hoch species accepted

Oenothera bistorta var. bistorta variety synonym

Sphaerostigma micranthum (Hornem. ex Spreng.) Walp. species synonym

Sphaerostigma hirtellum (Greene) Small species synonym

Sphaerostigma bistortum var. bistortum variety synonym

Sphaerostigma bistorta (Nutt.) Walp. species synonym

Holostigma micranthum (Hornem. ex Spreng.) Spach species synonym

Camissonia intermedia P.H.Raven species synonym

Camissonia micrantha (Hornem. ex Spreng.) P.H.Raven species synonym

Oenothera micrantha Hornem. ex Spreng. species heterotypic synonym

Camissonia hardhamiae P.H.Raven species synonym

Camissonia ignota (Jeps.) P.H.Raven species synonym

Oenothera micrantha var. ignota Jeps. variety synonym

Oenothera ignota (Jeps.) Munz species synonym

Camissonia luciae P.H.Raven species synonym

Camissonia robusta P.H.Raven species synonym

Camissonia bistorta (Nutt. ex Torr. & A.Gray) P.H.Raven species synonym

Oenothera bistorta var. veitchiana Hook. variety synonym

Oenothera bistorta Nutt. ex Torr. & A.Gray species synonym

Camissonia confusa P.H.Raven species synonym

Camissonia lewisii P.H.Raven species synonym

Camissonia hirtella (Greene) P.H.Raven species synonym

Oenothera hirtella Greene species heterotypic synonym

Oenothera micrantha var. jonesii (H.Lév.) Munz variety synonym

Sphaerostigma micrantha var. jonesii (H.Lév.) A.Nelson variety synonym

Camissonia lewisiae P.H.Raven species synonym

Oenothera contorta Douglas ex Hook. species synonym

Sphaerostigma micrantha var. exfoliatum A.Nelson variety synonym

Oenothera bistorta Nutt. species synonym

Oenothera veitchiana (Small) Tidestr. species synonym

Oenothera cheiranthifolia var. typica Munz variety synonym

Oenothera micrantha var. typica Munz variety synonym

Oenothera micrantha var. reedii (Parish) Jeps. variety synonym

Oenothera micrantha var. hirtella (Greene) Jeps. variety synonym

Oenothera luciae (P.H.Raven) J.T.Howell species synonym

Oenothera bistorta var. typica Munz variety synonym

Oenothera bistorta var. reedii Parish variety synonym

Oenothera hirta var. typica Munz variety synonym

Oenothera hirta f. reedii (Parish) Munz form synonym

Oenothera hirta var. ignota (Jeps.) Munz variety synonym

Sphaerostigma veitchianum Small species synonym

Sphaerostigma micranthum var. jonesii (H.Lév.) A.Nelson variety synonym

Oenothera hardhamiae (P.H.Raven) J.T.Howell species synonym

Sphaerostigma hirtum Fisch. & C.A.Mey. species synonym

Sphaerostigma hirtellum var. montanum Davidson variety synonym

Sphaerostigma bistortum var. veitchianum (Hooker) A.Nelson variety synonym

Oenothera rigida Gillies ex Hook. & Arn. species synonym

Sphaerostigma bistortum var. reedii Parish variety synonym

Sphaerostigma bistorta var. reedii Parish variety synonym

Oenothera fruticetorum J.T.Howell species synonym

Camissoniopsis robusta (P.H.Raven) W.L.Wagner & Hoch species accepted

Camissoniopsis proavita (P.H.Raven) W.L.Wagner & Hoch species accepted

Camissoniopsis micrantha (Hornem. ex Spreng.) W.L.Wagner & Hoch species accepted

Camissoniopsis luciae (P.H.Raven) W.L.Wagner & Hoch species accepted

Camissoniopsis lewisii (P.H.Raven) W.L.Wagner & Hoch species accepted

Camissoniopsis intermedia (P.H.Raven) W.L.Wagner & Hoch species accepted

Camissoniopsis ignota (Jeps.) W.L.Wagner & Hoch species accepted

Camissoniopsis hirtella (Greene) W.L.Wagner & Hoch species accepted

Camissoniopsis hardhamiae (P.H.Raven) W.L.Wagner & Hoch species accepted

Camissoniopsis confusa (P.H.Raven) W.L.Wagner & Hoch species accepted

Camissoniopsis bistorta (Nutt. ex Torr. & A.Gray) W.L.Wagner & Hoch species accepted

Camissonia proavita P.H.Raven species synonym

Oenothera distorta H.J.Veitch ex Vilm. species synonym