Saxifraga sphaeradena subsp. sphaeradena Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Saxifragales family Saxifragaceae genus Saxifraga species Saxifraga sphaeradena Name Homonyms Saxifraga sphaeradena subsp. sphaeradena