Synonyms
Sphaerostigma alyssoides var. minutiflorum (S.Watson) Small
Eremothera boothii subsp. alyssoides (Hook. & Arn.) W.L.Wagner & Hoch
Sphaerostigma macrophyllum (Small) Rydb.
Sphaerostigma implexum A.Nelson
Oenothera boothii var. alyssoides (Hook. & Arn.) N.H.Holmgren & P.K.Holmgren
Camissonia boothii var. alyssoides (Hook. & Arn.) N.H.Holmgren & P.K.Holmgren
Oenothera utahensis (Small) Garrett
Holostigma alyssoides (Hook. & Arn.) Hook.
Sphaerostigma alyssoides var. macrophyllum Small
Oenothera alyssoides Hook. & Arn.
Oenothera alyssoides var. minutiflora S.Watson
Sphaerostigma alyssoides (Hook. & Arn.) Walp.
Camissonia boothii subsp. alyssoides (Hook. & Arn.) P.H.Raven
Oenothera boothii subsp. alyssoides (Hook. & Arn.) Munz
Sphaerostigma utahense Small