| Fabaceae | |
Astragalus newberryi var. aquarii
| Isely | Syst. Bot. 8(4): 423–424 | 1983 |
| Fabaceae | |
Astragalus newberryi var. blyae
| (Rose ex Rydb.) Barneby | Amer. Midl. Naturalist 37(2): 480 | 1947 |
| Fabaceae | |
Astragalus newberryi var. castoreus
| M.E. Jones | Proc. Calif. Acad. Sci., ser. 2, 5(18): 658 | 1895 |
| Fabaceae | |
Astragalus newberryi var. eriocarpus
| M.E. Jones | Proc. Calif. Acad. Sci., ser. 2, 5(18): 676 | 1895 |
| Fabaceae | |
Astragalus newberryi var. escalantinus
| Barneby | Intermount. Fl. 3(B): 128–129, pl. [p. 79], f. s.n. [center right] | 1989 |
| Fabaceae | |
Astragalus newberryi var. funereus
| (M.E. Jones) Clokey | Madroño 6(7): 214 | 1942 |
| Fabaceae | |
Astragalus newberryi var. newberryi
| | | |
| Fabaceae | ** |
Astragalus newberryi var. typicus
| Barneby | Amer. Midl. Naturalist 37: 477 | 1947 |
| Fabaceae | |
Astragalus newberryi var. wardianus
| Barneby | Amer. Midl. Naturalist 37(2): 481 | 1947 |
| Fabaceae | |
Astragalus newberryi var. watsonianus
| (Kuntze) M.E. Jones | Contr. W. Bot. 10: 68 | 1902 |