Racomitrium pruinosum C.Müller, 1869 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bryophyta class Bryopsida order Grimmiales family Grimmiaceae genus Racomitrium species Racomitrium pruinosum Name Homonyms Racomitrium pruinosum C.Müller, 1869 Racomitrium pruinosum (Wilson) Müll.Hal.