Ctenophyllum humistratum (A.Gray) Rydb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fabales family Fabaceae genus Astragalus species Astragalus humistratus Name Homonyms Ctenophyllum humistratum (A.Gray) Rydb. ex A.Heller Ctenophyllum humistratum (A.Gray) Rydb.