Basionym:
Agaricus fastibilis var. mesophaeus Pers., Mycologia Europaea 3: 173 (1828) [MB#138102]
Obligate synonyms:
- Agaricus mesophaeus (Pers.) Fr., Epicrisis Systematis Mycologici: 179 (1838) [MB#446140]
- Inocybe mesophaea (Pers.) P. Karst., Bidrag till Kännedom av Finlands Natur och Folk 32: 470 (1879) [MB#495008]
- Inocybe versipellis var. mesophaeus (Pers.) S. Petersen, Danske Agaricaceer 2: 337 (1911) [MB#500404]
- Agaricus mesophaeus var. mesophaeus (?) [MB#478511]
- Hylophila mesophaea (Pers.) Quélet, Enchiridion Fungorum in Europa media et praesertim in Gallia Vigentium: 99 (1886) [MB#802716]
- Hylophila mesophaea var. mesophaea (Pers.) Quél. (1886) [MB#569780]
Taxonomic synonyms:
- Hebeloma bruchetii Bon, Bulletin Trimestriel de la Fédération Mycologique Dauphiné-Savoie 25 (97): 23 (1986) [MB#103418]
- Hebelomatis repandum (Bruchet) Locq., Flore mycologique 3: 146 (1979) [MB#315016]
- Hebeloma repandum Bruchet, Contribution a l'Etude de Quelques Aspergilles: 50 (1970) [MB#314975]
- Hebeloma mesophaeum var. crassipes Vesterh., Nordic J. Bot. 9 (3): 298 (1989) [MB#126309]
- Hebeloma maritinum A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 99 (1983) [MB#115215]
- Hebeloma vinaceogriseum A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 28 (1983) [MB#115261]
- Hebeloma mesophaeum var. cremeovelatum Bon & Quadr., Documents Mycologiques 14 (56): 31 (1985) [MB#116656]
- Hebeloma mesophaeum var. ochroniveum Quadr., Documents Mycologiques 14 (56): 31 (1985) [MB#116657]
- Hebeloma mesophaeum var. subobscurum A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 74 (1983) [MB#116907]
- Hebeloma mesophaeum var. velovinaceum A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 73 (1983) [MB#116909]
- Hebeloma mesophaeum var. imitatum A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 75 (1983) [MB#116910]
- Hebeloma mesophaeum var. longipes A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 170 (1983) [MB#116911]
- Hebeloma mesophaeum f. cremeovelatum Bon & Haluwyn, Documents Mycologiques 13 (50): 37 (1983) [MB#117880]
- Agaricus strophosus Fr., Epicrisis Systematis Mycologici: 161 (1838) [MB#372266]
- Hebeloma strophosum (Fr.) Sacc., Sylloge Fungorum 5: 808 (1887) [MB#171435]
- Roumeguerites strophosus (Fr.) P. Karst., Bidrag till Kännedom av Finlands Natur och Folk 32: 452 (1879) [MB#177306]
- Hebeloma mesophaeum var. strophosum (Fr.) Quadr., Documents Mycologiques 14 (56): 31 (1985) [MB#116658]
- Roumeguerites strophosa (Fr.) P. Karst. (1879) [MB#280364]
- Hylophila versipellis var. strophosa (Fr.) Quél., Enchiridion Fungorum in Europa media et praesertim in Gallia Vigentium: 99 (1886) [MB#802715]
- Agaricus subcollariatus Berk. & Broome, Annals and Magazine of Natural History 9: 178 (1882) [MB#457235]
- Hebeloma subcollariatum (Berk. & Broome) Sacc., Sylloge Fungorum 5: 798 (1887) [MB#171773]
- Hebeloma caespitosum Velen., Ceske Houby 2: 389 (1920) [MB#259304]
- Hebeloma cinereum Velen., Ceske Houby 2: 396 (1920) [MB#260837]
- Hebeloma mammillatum Velen., Novitates mycologicae: 118 (1939) [MB#270458]
- Hebeloma mammilatum Velen. (1939) [MB#264822]
- Inocybe velenovskyi Hruby, Hedwigia 70: 281 (1930) [MB#281430]
- Inocybe velenovskyi f. incrassata Hruby, Hedwigia 70: 281 (1930) [MB#281433]
- Hebeloma lateritium Murrill, N. Amer. Flora 10 (3): 224 (1917) [MB#147830]
- Hebeloma mesophaeum var. lateritium (Murrill) A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 72 (1983) [MB#116906]
- Hebeloma gregarium Peck, Annual Report on the New York State Museum of Natural History 49: 32 (1897) [MB#248075]
- Naucoria petrakii Hruby (?) [MB#472227]
- Hebeloma petrakii Hruby ex Singer, Lilloa 22: 538 (1951) [MB#298199]
- Agaricus mesophaeus var. minor Cooke, Illustrations of British Fungi (Hymenomycetes): 453 (412) (1886) [MB#484242]
- Hebeloma mesophaeum var. minus (Cooke) Rea, British Basidiomycetae: A handbook to the larger British fungi: 256 (1922) [MB#463419]