| Fabaceae | |
Astragalus kentrophyta subsp. coloradoensis
| (M.E. Jones) W.A. Weber | Phytologia 53(3): 187 | 1983 |
| Fabaceae | |
Astragalus kentrophyta var. coloradoensis
| M.E. Jones | Contr. W. Bot. 10: 63 | 1902 |
| Fabaceae | |
Astragalus kentrophyta subsp. danaus
| (Barneby) W.A. Weber | Phytologia 53(3): 187 | 1983 |
| Fabaceae | |
Astragalus kentrophyta var. danaus
| (Barneby) Barneby | Leafl. W. Bot. 6(7): 154 | 1951 |
| Fabaceae | |
Astragalus kentrophyta subsp. douglasii
| (Barneby) W.A. Weber | Phytologia 53(3): 187 | 1983 |
| Fabaceae | |
Astragalus kentrophyta var. douglasii
| Barneby | Mem. New York Bot. Gard. 13: 364–365 | 1964 |
| Fabaceae | |
Astragalus kentrophyta subsp. elatus
| (S. Watson) W.A. Weber | Phytologia 53(3): 187 | 1983 |
| Fabaceae | |
Astragalus kentrophyta var. elatus
| S. Watson | Botany (Fortieth Parallel) 77 | 1871 |
| Fabaceae | |
Astragalus kentrophyta var. impensus
| (E. Sheld.) M.E. Jones | Contr. W. Bot. 10: 63 | 1902 |
| Fabaceae | |
Astragalus kentrophyta subsp. implexus
| (Canby ex Porter & J.M. Coult.) W.A. Weber | Phytologia 53(3): 187 | 1983 |
| Fabaceae | |
Astragalus kentrophyta var. implexus
| (Canby ex Porter & J.M. Coult.) Barneby | Leafl. W. Bot. 6(7): 154 | 1951 |
| Fabaceae | |
Astragalus kentrophyta subsp. jessiae
| (M. Peck) W.A. Weber | Phytologia 53(3): 187 | 1983 |
| Fabaceae | |
Astragalus kentrophyta var. jessiae
| (M. Peck) Barneby | Leafl. W. Bot. 6(7): 154 | 1951 |
| Fabaceae | |
Astragalus kentrophyta var. kentrophyta
| | | |
| Fabaceae | |
Astragalus kentrophyta subsp. neomexicana
| W.A. Weber | Phytologia 53: 187 | 1983 |
| Fabaceae | |
Astragalus kentrophyta subsp. neomexicanus
| (Barneby) W.A. Weber | Phytologia 53(3): 187 | 1983 |
| Fabaceae | |
Astragalus kentrophyta var. neomexicanus
| (Barneby) Barneby | Leafl. W. Bot. 6(7): 154 | 1951 |
| Fabaceae | |
Astragalus kentrophyta var. rotundus
| (M.E. Jones) M.E. Jones | Contr. W. Bot. 10: 63 | 1902 |
| Fabaceae | |
Astragalus kentrophyta var. tegetarius
| (S. Watson) M.E. Jones | Rev. N.-Amer. Astragalus 81 | 1923 |
| Fabaceae | ** |
Astragalus kentrophyta var. tegetarius
| (S. Watson) Dorn | Vasc. Pl. Wyoming 297 | 1988 |
| Fabaceae | |
Astragalus kentrophyta subsp. ungulatus
| (M.E. Jones) W.A. Weber | Phytologia 53(3): 187 | 1983 |
| Fabaceae | |
Astragalus kentrophyta var. ungulatus
| M.E. Jones | Proc. Calif. Acad. Sci., ser. 2, 5(18): 650 | 1895 |
| Fabaceae | |
Astragalus kentrophyta var. viridis
| (Nutt. ex Torr. & A. Gray) Hook. | London J. Bot. 6: 215 | 1847 |