Astragalus vexilliflexus var. nubilis Barneby Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fabales family Fabaceae genus Astragalus species Astragalus vexilliflexus Name Homonyms Astragalus vexilliflexus var. nubilis Barneby