Basionym: Agaricus phaeophthalmus Pers., Mycologia Europaea 3: 72 (1828) [MB#249384] Obligate synonym: Clitocybe phaeophthalma (Pers.) Kuyper, Persoonia 11: 386 (1981) [MB#111262] Taxonomic synonyms: - Agaricus hydrogrammus Bull., Herbier de la France 12: t. 564 (1792) [MB#230986] - Clitocybe hydrogramma (Bull.) P. Kumm., Der Führer in die Pilzkunde: 122 (1871) [MB#357216] - Omphalia hydrogramma (Bull.) Quél., Mémoires de la Société d'Émulation de Montbéliard ser. 2, 5: 238 (1872) [MB#238810] - Singerocybe hydrogramma (Bull.) Harmaja, Karstenia 27: 71 (1988) [MB#133862] - Singerella hydrogramma (Bull.) Harmaja, Karstenia 14: 114 (1974) [MB#323568] - Omphalina hydrogramma (Bulliard) Quélet, Enchiridion Fungorum in Europa media et praesertim in Gallia Vigentium: 42 (1886) [MB#802614] - Agaricus fritilliformis Lasch, Epicrisis Systematis Mycologici: 74 (1838) [MB#461587] - Clitocybe fritilliformis (Lasch) Gillet, Les Hyménomycètes ou Description de tous les Champignons qui Croissent en France 1: 146 (1874) [MB#232400] - Clitocybe fritilliformis (Lasch) Gillet (1874) [MB#461279] - Clitocybe anastomosica Velen., Novitates mycologicae: 74 (1939) [MB#256773] - Clitocybe hydrogramma var. gibboides Raithelh. (1969) [MB#349197] - Clitocybe phaeophthalma var. gibboides (Raithelh.) Bon, Documents Mycologiques 26 (102): 18 (1996) [MB#447519] - Clitocybe gibboides (Raithelh.) Raithelh., Metrodiana: 76 (1971) [MB#311334] - Pseudolyophyllum gibboides (Raithelh.) Raithelh., Metrodiana 8: 52 (1979) [MB#321814] - Clitocybe caespitosa Peck, Annual Report on the New York State Museum of Natural History 41: 61 (1888) [MB#163155] - Omphalina jalapensis Murrill, North American Flora 9 (5): 349 (1916) [MB#187117] - Clitocybe jalapensis (Murrill) Singer, Lloydia 5: 107 (1942) [MB#285337] - Omphalia jalapensis (Murrill) Murrill, Mycologia 8 (4): 219 (1916) [MB#248637] - Agaricus adirondackensis Peck, Annual Report on the New York State Museum of Natural History 23: 77 (1872) [MB#490122] - Clitocybe adirondackensis (Peck) Sacc., Sylloge Fungorum 5: 180 (1887) [MB#208766] - Singerocybe adirondackensis (Peck) Zhu L. Yang & J. Qin, Mycologia 106 (5): 1022 (2014) [MB#801147] - Singerocybe adirondackensis (Peck) Sánchez-García & Matheny, Deconstructing the Tricholomataceae (Agaricales) and introduction of the new genera Albomagister, Corneria, Pogonoloma and Pseudotricholoma 63(5) (2014) [MB#807764] - Agaricus hydrogrammus Bull. & A. Venturi: 515, tab. 564 (1809) [MB#499236]