Basionym:
Agaricus discomorbidus Peck, Bull. Buffalo Soc. Nat. Sci. 1: 52 (1873) [MB#504807]
Obligate synonyms:
- Naucoria disco-morbida (Peck) Sacc. (1887) [MB#141194]
- Naucoria discomorbida (Peck) Sacc., Syll. Fung. 5: 842 (1887) [MB#544149]
Taxonomic synonyms:
- Hebeloma clavulipes Romagn., Bull. Soc. Mycol. France 81 (3): 326 (1965) [MB#331742]
- Hebeloma clavulipes var. clavulipes Romagn. (1965) [MB#430404]
- Hebeloma candidipes Bruchet, Bull. Mens. Soc. Linn. Lyon 39: 125 (1970) [MB#314951]
- Hebeloma corrugatum A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 116 (1983) [MB#115187]
- Hebeloma felleum A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 151 (1983) [MB#115190]
- Hebeloma flaccidum A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 144 (1983) [MB#115191]
- Hebeloma fragrans A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 91 (1983) [MB#115193]
- Hebeloma fragrans var. fragrans (?) [MB#417145]
- Hebeloma fuscostipes A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 119 (1983) [MB#115194]
- Hebeloma griseocanum A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 113 (1983) [MB#115197]
- Hebeloma hesleri A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 122 (1983) [MB#115199]
- Hebeloma idahoense A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 143 (1983) [MB#115201]
- Hebeloma limacinum A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 103 (1983) [MB#115211]
- Hebeloma lutescentipes A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 154 (1983) [MB#115214]
- Hebeloma obscurum A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 124 (1983) [MB#115218]
- Hebeloma occidentale A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 121 (1983) [MB#115219]
- Hebeloma pallescens A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 137 (1983) [MB#115223]
- Hebeloma perfarinaceum A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 153 (1983) [MB#115226]
- Hebeloma piceicola A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 126 (1983) [MB#115229]
- Hebeloma praecaespitosum A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 118 (1983) [MB#115232]
- Hebeloma praelatifolium A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 157 (1983) [MB#115233]
- Hebeloma stanleyense A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 147 (1983) [MB#115244]
- Hebeloma subboreale A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 33 (1983) [MB#115247]
- Hebeloma subrubescens A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 136 (1983) [MB#115253]
- Hebeloma utahense A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 29 (1983) [MB#115260]
- Hebeloma marginatulum var. fallax A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 130 (1983) [MB#116903]
- Hebeloma fragrans var. intermedium A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 92 (1983) [MB#116902]
- Hebeloma oregonense var. atrobrunneum A.H. Sm., V.S. Evenson & Mitchel, Veiled species of Hebeloma in the western United States: 150 (1983) [MB#116916]
- Hygrophorus montanus Murrill, Mycologia 3 (4): 199 (1911) [MB#189502]
- Hebeloma mesophaeum var. macrosporum L. Remy, Bull. Soc. Mycol. France 80 (4): 581 (1965) [MB#349534]
- Hebeloma remyi Bruchet, Bull. Mens. Soc. Linn. Lyon 39: 29 (1970) [MB#314974]
- Hebeloma palustre Peck, Rep. (Annual) New York State Mus. Nat. Hist. 52: 649 (1899) [MB#237614]
- Hebeloma pseudofastibile A.H. Sm., V.S. Evenson & Mitchel (?) [MB#355606]
- Hebeloma pseudofastibile var. pseudofastibile A.H. Sm., V.S. Evenson & Mitchel (1983) [MB#417175]
- Hebeloma oreophilum Beker & U. Eberh., Mycologia 107 (6): 1295 (2015) [MB#812872]