Robertsonia umbrosa Gray, 1821 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Saxifragales family Saxifragaceae genus Saxifraga species Saxifraga umbrosa Name Homonyms Robertsonia umbrosa (L.) Haw. Robertsonia umbrosa Gray, 1821