Melampsora betulina Desm. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Pucciniomycetes order Pucciniales family Pucciniastraceae genus Melampsoridium species Melampsoridium betulinum Name Homonyms Melampsora betulina Desm. Melampsora betulina (Pers.) Tul. Melampsora betulina G.Winter