Basionym: Agaricus urticicola Berk. & Broome, Annals and Magazine of Natural History 7: 376 (1861) [MB#455991] Obligate synonyms: - Coprinus urticicola (Berk. & Broome) Buller, Transactions of the British Mycological Society 5: 485 (1917) [MB#438195] - Psathyra urticicola (Berk. & Broome) Sacc., Sylloge Fungorum 5: 1073 (1887) [MB#182941] - Pilosace urticicola (Berk. & Broome) Kuntze: 504 (1898) [MB#527512] Taxonomic synonyms: - Coprinus brassicae Peck, Annual Report on the New York State Museum of Natural History 43: 64 (1890) [MB#160522] - Agaricus urticaecola Berk. & Broome (1861) [MB#474341] - Coprinus melo J. Favre, Beiträge zur Kryptogamenflora der Schweiz 10 (3): 215 (1948) [MB#282415] - Coprinus suburticicola Pilát & Svrcek, Ceská Mykologie 21 (3): 140 (1967) [MB#328883] - Agaricus urticæicola Berk. & Broome (1861) [MB#201615]