Potentilla millegrana Douglas ex Hook. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rosaceae genus Potentilla species Potentilla norvegica Name Homonyms Potentilla millegrana Engelm. ex Lehm. Potentilla millegrana S.Watson Potentilla millegrana Douglas ex Hook. Potentilla millegrana Douglas Potentilla millegrana Engelm.