Collybia dryophila var. griseonigricans De Seynes Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Omphalotaceae genus Gymnopus species Gymnopus dryophilus Name Homonyms Collybia dryophila var. griseonigricans De Seynes Collybia dryophila var. griseonigricans De Seynes ex Sacc.