Arabis holboellii subsp. holboellii Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Brassicales family Brassicaceae genus Boechera species Boechera holboellii Name Homonyms Arabis holboellii var. holboellii Arabis holboellii subsp. holboellii