Basionym: Agaricus parasiticus Bull. ex Pers., Synopsis methodica fungorum: 371 (1801) [MB#235920] Obligate synonyms: - Nyctalis parasitica (Bull. ex Pers.) Fr., Epicrisis Systematis Mycologici: 372 (1838) [MB#151589] - Merulius parasiticus (Bull. ex Pers.) Purton, An appendix to the Midland flora: 128 (1821) [MB#492064] - Gymnopus parasiticus (Bull. ex Pers.) Gray, A natural arrangement of British plants 1: 610 (1821) [MB#486480] Taxonomic synonyms: - Agaricus parasiticus Bull., Histoire des champignons de la France. I: 609, pl. 574 (1791) [MB#499252] - Agaricus umbratus With., An arrangement of British plants 4: 201 (1796) [MB#490461] - Agaricus pilipes Sowerby, Coloured Figures of English Fungi 3: t. 249 (1803) [MB#236103] - Gymnopus pilipes (Sowerby) Gray, A natural arrangement of British plants 1: 611 (1821) [MB#486481] - Agaricus parasiticus var. pilipes (Sowerby) Pers., Synopsis methodica fungorum: 371 (1801) [MB#497959] - Fungus pilipes (Sowerby) Kuntze: 480 (1898) [MB#526441] - Agaricus microphyllus Corda, Icones fungorum hucusque cognitorum 4: 48, tab. 10, fig. 134 (1840) [MB#490294] - Nyctalis microphyllus (Corda) Fr., Hymenomycetes europaei: 464 (1874) [MB#151750] - Asterophora microphylla (Corda) Kuntze, Revisio generum plantarum 3 (3): 488 (1898) [MB#490585] - Nyctalis microphyllus Corda (1840) [MB#587643]