Maireina caulium (Fuckel) Petr. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Niaceae genus Maireina species Maireina caulium Name Homonyms Maireina caulium (Fuckel) W.B.Cooke Maireina caulium (Fuckel) Petr.