Potentilla gracilis Douglas Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rosaceae genus Potentilla species Potentilla gracilis Name Homonyms Potentilla gracilis Douglas ex Hook. Potentilla gracilis Raf. Potentilla gracilis S.Watson Potentilla gracilis Torr. Potentilla gracilis Douglas Potentilla gracilis Porter & J.M.Coult.