| Fabaceae | ! |
Psorothamnus arborescens
| (Torr. ex A. Gray) Barneby | Mem. New York Bot. Gard. 27: 33 | 1977 |
| Fabaceae | |
Psorothamnus arenarius
| (Brandegee) Rydb. | N. Amer. Fl. 24(1): 47 | 1919 |
| Fabaceae | |
Psorothamnus dentatus
| Rydb. | N. Amer. Fl. 24(1): 47 | 1919 |
| Fabaceae | ! |
Psorothamnus emoryi
| (A. Gray) Rydb. | N. Amer. Fl. 24(1): 47 | 1919 |
| Fabaceae | ! |
Psorothamnus fremontii
| (Torr. ex A. Gray) Barneby | Mem. New York Bot. Gard. 27: 40 | 1977 |
| Fabaceae | |
Psorothamnus junceus
| Rydb. | N. Amer. Fl. 24(1): 48 | 1919 |
| Fabaceae | ! |
Psorothamnus kingii
| (S. Watson) Barneby | Mem. New York Bot. Gard. 27: 27 | 1977 |
| Fabaceae | |
Psorothamnus nummularius
| (M.E. Jones) S.L. Welsh | Utah Fl. (ed. 3) 417 | 2003 |
| Fabaceae | ! |
Psorothamnus polydenius
| (Torr.) Rydb. | N. Amer. Fl. 24(1): 46 | 1919 |
| Fabaceae | ! |
Psorothamnus schottii
| (Torr.) Barneby | Mem. New York Bot. Gard. 27: 31 | 1977 |
| Fabaceae | ! |
Psorothamnus scoparius
| (A. Gray) Rydb. | N. Amer. Fl. 24(1): 48 | 1919 |
| Fabaceae | ! |
Psorothamnus spinosus
| (A. Gray) Barneby | Mem. New York Bot. Gard. 27: 25 | 1977 |
| Fabaceae | |
Psorothamnus subnudus
| (S. Watson) Rydb. | N. Amer. Fl. 24(1): 46 | 1919 |
| Fabaceae | ! |
Psorothamnus thompsoniae
| (Vail) S.L. Welsh & N.D. Atwood | Great Basin Naturalist 35(4): 354 | 1975 [1976] |
| Fabaceae | |
Psorothamnus tinctorius
| (Brandegee) Rydb. | N. Amer. Fl. 24(1): 47 | 1919 |