Astragalus hallii is a species of milkvetch in the family Fabaceae.[1] It is native to Utah, Colorado, Arizona, and New Mexico.[2]
It is most commonly found in the elevations of between 7,000 and 11,000 feet. It is most commonly found in the months of July and August.[3]
It has a global rank of G4, meaning apparently secure. It also has two local ranks, it is vulnerable in New Mexico and critically endangered in Utah. Arizona and Colorado don’t have a local rank for this species.