Where is Barr's Milkvetch (Astragalus barrii)
located in the wild?
Buttes, hilltops, badlands, and gullied knolls and draws, in shallow rocky soils derived from limestone, calcareous sandstone, shale or siltstone. Occurs in cushion plant communities within more densely vegetated mixed grass prairie. Elevation 2940-4000 ft.
Centered in the Powder River Basin of northeastern Wyoming (Campbell, Johnson, Natron, Niobrara, Sheridan and Weston counties) and adjacent southeastern Montana (Big Horn, Carter, Powder River and Ros
States & Provinces:
Barr's Milkvetch can be found in Montana, Nebraska, South Dakota, Wyoming