Heterotropa rigescens var. albescens F.Maek. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Piperales family Aristolochiaceae genus Asarum species Asarum rigescens Name Homonyms Heterotropa rigescens var. albescens F.Maek. ex Akasawa Heterotropa rigescens var. albescens F.Maek.