Amanita rubescens f. gracilis (Sacc.) Gillot & Lucand, 1889 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Amanitaceae genus Amanita species Amanita porphyria Name Homonyms Amanita rubescens f. gracilis (Sacc.) Gillot & Lucand, 1889 Amanita rubescens var. gracilis (Gillot & Lucand) Bigeard & Guillemin