Saxifraga nigricans Willd. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Saxifragales family Saxifragaceae genus Micranthes species Micranthes nivalis Name Homonyms Saxifraga nigricans Willd. ex Sternb. Saxifraga nigricans Willd.