Russula grisea var. ionochlora Kühner & Romagn. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Russulales family Russulaceae genus Russula species Russula ionochlora Name Homonyms Russula grisea var. ionochlora Kühner & Romagn.