Hydrophyllum capitatum var. pumilum Geyer Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Boraginales family Hydrophyllaceae genus Hydrophyllum species Hydrophyllum capitatum Name Homonyms Hydrophyllum capitatum var. pumilum Geyer Hydrophyllum capitatum var. pumilum Geyer ex Hook.