Rydbergiella pattersonii (A.Gray) Fedde & P.Syd. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fabales family Fabaceae genus Astragalus species Astragalus pattersonii Name Homonyms Rydbergiella pattersonii (A.Gray) Fedde & P.Syd. Rydbergiella pattersonii (A.Gray) Fedde & Syd. ex Rydb.