Astragalus calycosus Torr. ex S. Watson var. monophyllidius (Rydb.) Barneby
Annotated by D. Mansfield, Jun 2012.

Idaho: Cassia County: [No locality given on label.] Elev. 5000 ft.
T16S R22E S7 W1/2
In a woodland-shrub-savanna with Juniperus occidentalis and Artemisia tridentata. Phenology: Flowers.

Cecil G. Brown 773, Jun 24, 1974
CIC, Accession: 3351