Arthrolobus torulosus Steven Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Brassicales family Brassicaceae genus Sterigmostemum species Sterigmostemum incanum Name Homonyms Arthrolobus torulosus Steven ex DC. Arthrolobus torulosus Steven