| Astragalus laxmannii var. robustior (Hook.) Barneby & S.L. Welsh | |
| Publ. & Syn. | Barneby & S.L. Welsh, Great Basin Natural. 56: 85 (1996). - Astragalus adsurgens var. robustior Hook., Fl. Bor.-Amer. 1: 149 (1831). Holotype (K): U.S.A.: "Mountain vallies and subalpine hills on the banks of Flathead River" [Rocky Mountains], leg. Douglas. - Astragalus adsurgens subsp. robustior (Hook.) S.L. Welsh, Iowa State J. Sci. 37: 357 (1963). |
| Notes | Welsh (2007: map 108) mapped one locality for var. robustior on the southwestern shore of Hudson Bay, fairly well separated from its main range in the Rocky Mountains and the Great Plains. |
| Chromosomes | 32 (4x). - Welsh (2007, secondary report). |
| Geography | North American (W): (CAN). |
| Distribution | E = R HL = r [ key ] |
| Parent taxon | Astragalus laxmannii Jacq. |
| PAF ID | 630524a |