Leucocoprinus gaillardiiLeucoagaricus gaillardii is a species of fungus belonging to the family Agaricaceae. It is native to Northern Europe.TaxonomyIt was described as Leucoagaricus gaillardii in 1974 by the French mycologists Marcel Bon and Jacques Boiffard and then reclassified as Leucocoprinus gaillardii in 2024.