Synonyms
Aragallus bigelowii (A.Gray) Greene
Astragalus lambertii var. bigelovii (A.Gray) Tidestr.
Aragallus patens Rydb.
Aragallus knowltonii Greene
Aragallus metcalfei Greene
Oxytropis bilocularis A.Nelson
Oxytropis lambertii subsp. bigelovii (A.Gray) W.A.Weber
Oxytropis patens (Rydb.) A.Nelson