Lactarius lacunarum Romagn. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Russulales family Russulaceae genus Lactarius species Lactarius lacunarum Name Homonyms Lactarius lacunarum Romagn. ex Hora Lactarius lacunarum (Romagn.) J.E.Lange Lactarius lacunarum Romagn.