Astragalus frigidus subsp. secundus (DC.) Worosch. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fabales family Fabaceae genus Astragalus species Astragalus frigidus Name Homonyms Astragalus frigidus subsp. secundus (DC.) Vorosch.