Basionym: Agaricus badhamii Berk. & Broome, Annals and Magazine of Natural History 13: 397 (1854) [MB#375110] Obligate synonyms: - Leucoagaricus badhamii (Berk. & Broome) Singer, Lilloa 22: 419 (1951) [MB#115843] - Lepiota badhamii (Berk. & Broome) Quél., Mémoires de la Société d'Émulation de Montbéliard ser. 2, 5: 231 (1872) [MB#438593] - Lepiotophyllum badhamii (Berk. & Broome) Locq., Bulletin Mensuel de la Société Linnéenne de Lyon 11: 40 (1942) [MB#287623] - Hiatula badhamii (Berk. & Broome) Bouriquet (1970) [MB#318091] - Leucocoprinus badhamii (Berk. & Broome) Wasser: 217 (1978) [MB#532408] Taxonomic synonyms: - Lepiota meleagroides Huijsman, Mededelingen van de Nederlandse Mycologische Vereeniging 28: 11 (1943) [MB#287597] - Lepiota rufovelutina Velen., Novitates mycologicae: 217 (1939) [MB#277049] - Lepiota rufovelutina var. sanguinescens Pilát, Acta Musei Nationalis Pragae 11B (2): 16 (1955) [MB#347018]