Russula constans (Karst.) Romell Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Russulales family Russulaceae genus Russula species Russula claroflava Name Homonyms Russula constans Britzelm. Russula constans P.Karst. Russula constans (Karst.) Romell