Saxifraga caespitosa f. laxiuscula Engl. & Irmsch. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Saxifragales family Saxifragaceae genus Saxifraga species Saxifraga cespitosa Name Homonyms Saxifraga caespitosa f. laxiuscula Engl. & Irmsch.