Polygala calcarea J.W.Zetterst. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fabales family Polygalaceae genus Polygala species Polygala alpestris Name Homonyms Polygala calcarea J.W.Zetterst. ex Willk. & Lange Polygala calcarea F.W.Schultz Polygala calcarea J.W.Zetterst.