Collybia porrea (Pers. ex Fr.) Sing. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Marasmiaceae genus Marasmius species Marasmius porreus Name Homonyms Collybia porrea (Pers. ex Fr.) Sing. Collybia porrea (Pers.) P.Kumm.