| Fabaceae | |
Astragalus missouriensis var. accumbens
| (E. Sheld.) Isely | Syst. Bot. 8(4): 422 | 1983 |
| Fabaceae | |
Astragalus missouriensis var. amphibolus
| Barneby | Amer. Midl. Naturalist 37(2): 447–448 | 1947 |
| Fabaceae | |
Astragalus missouriensis var. cuspidocarpus
| (E. Sheld.) M.E. Jones | Rev. N.-Amer. Astragalus 213 | 1923 |
| Fabaceae | |
Astragalus missouriensis var. humistratus
| Isely | Syst. Bot. 8(4): 423 | 1983 |
| Fabaceae | |
Astragalus missouriensis fo. leucophaea
| Gand. | | |
| Fabaceae | |
Astragalus missouriensis fo. leucophaeus
| Gand. | Bull. Soc. Bot. France 48: xvi | 1901 [1902] |
| Fabaceae | |
Astragalus missouriensis fo. longipes
| Gand. | Bull. Soc. Bot. France 48: xv | 1901 [1902] |
| Fabaceae | |
Astragalus missouriensis fo. microphylla
| Gand. | | |
| Fabaceae | |
Astragalus missouriensis fo. microphyllus
| Gand. | Bull. Soc. Bot. France 48: xv | 1901 [1902] |
| Fabaceae | |
Astragalus missouriensis var. mimetes
| Barneby | Mem. New York Bot. Gard. 13: 716, map 94 | 1964 |
| Fabaceae | |
Astragalus missouriensis fo. missouriensis
| | | |
| Fabaceae | |
Astragalus missouriensis var. missouriensis
| | | |
| Fabaceae | ** |
Astragalus missouriensis var. typicus
| Barneby | Amer. Midl. Naturalist 37: 444 | 1947 |