Homotypic synonym de acordo com GBIF classification (Originally found in sources as synonym of Astragalus mollissimus var. marcidus (Rydb.) B.L.Turner)
Astragalus mollissimus var. bigelovii (A. Gray) B. L. Turner
Doubtful de acordo com GBIF classification (Possible variant of Astragalus mollissimus var. bigelovii (A.Gray) Barneby)
Astragalus mollissimus var. marcidus (Rydb.) B. L. Turner
Homotypic synonym de acordo com GBIF classification (Originally found in sources as accepted taxon within Astragalus mollissimus Torr.)