Full name: Hebeloma repandum Bruchet (1970)
Published: Bull. Mens. Soc. Linn. Lyon 39, supplement 6: 126 (1970)
Taxonomic status: Heterotypic synonym of H. mesophaeum
Notes: Nom. illegit. (Art. 53.1); non Hebeloma repandum (Sacc.) Konrad & Maubl., Icon. Sel. Fung. 6: 127 (1937) [“1924–1937”]; as “(Schum.)” [Schumacher]. Replaced by the homotypic synonym: Hebeloma bruchetii Bon, Bull. Trimest. Fed. Mycol. Dauphiné-Savoie 25 (102): 23 (1986).

Types: SWITZERLAND: Col de Gajer,Grisons (approx. 46.61°N, 9.57°E, alt. approx. 2620 m a.s.l.) on decomposed litter in alpine meadow under Salix herbacea, 30 Aug. 1966, G. Bruchet (Holotype. herbarium acc. no. LY BR66-55, HJB1000068).

Homotypic synonyms: Hebelomatis repandum Locq. (1979) [“1977”]

Homotypic synonym of: Hebeloma bruchetii Bon (1986)

Original diagnosis: Cortina manifesta, saepe etiam in adultis copiosa ac persistente; pileo concolore et pallidiore, fulvo, e luteo brunneo, fere omnino expanso, usque ad 30 mm lato; stipite 17-25 x 3,5-5 mm, crassiore, grosse fibrilloso, albido parum ac inferne solum fuscescente; lamellis siccis. Sporis 9-10,5 x 5-6 μm, brevioribus, obtusis ac sublevibus, distincto tenuisque ambitu; pilis marginum inferne ad 8,5-10 μm, inflatis. Species alpina, inter Salices herbacens crescens.

English translation: Cortina manifest, often plentiful and persistent in adult specimens, pileus uniformly coloured and pallid, fulvous, yellow then brown, almost entirely expanding, up to 30 mm broad; stipe 17–25 × 3.5–5 μm, thick, coarsely fibrillose, white, only slightly turning brown below; lamellae dry. Spores 9–10.5 × 5–6 μm, shortish, blunt, almost smooth, thin-walled; marginal hairs broadened at base up to 8.5–10 μm. Alpine species, growing among Salix herbacea.

Commentary: See Hebeloma bruchetii Bon.

Full name: Hebelomatis repandum Locq. (1979) [“1977”]
Published: Flore Mycologique Vol III - Text. Cortinariales A: 146 (1979) ["1977"]
Taxonomic status: Heterotypic synonym of H. mesophaeum
Notes: Nom. inval. (Art. 41.5 - Melbourne). Could be regarded as intended replacement name for Hebeloma repandum Bruchet, nom. illegit. Art 53.1 - Shenzhen.

Types: SWITZERLAND: Col de Gajer,Grisons (approx. 46.61°N, 9.57°E, alt. approx. 2620 m a.s.l.) on decomposed litter in alpine meadow under Salix herbacea, 30 Aug. 1966, G. Bruchet (Holotype. herbarium acc. no. LY BR66-55, HJB1000068).

Homotypic synonym of: Hebeloma bruchetii Bon (1986); Hebeloma repandum Bruchet (1970)

Commentary: The protologue refers to Bruchet's Hebeloma repandum which was nom. illegit. Art. 53.1 rather than Agaricus repandus which was also nom. illegit. Art. 53.1. The former was replaced by H. bruchetti and the latter by H. sinapizans var. repandum. Hence see Hebeloma bruchetii Bon.

Full name: Hebeloma repandum (Sacc.) Konrad & Maubl. (1937)
Published: Icones Selectae Fungorum 6: 127 (1937)
Taxonomic status: We have not been able to unambiguously determine the current genus of this name.
Basionym: Hebeloma sinapizans var. repandum Sacc. (1887)

Types: Not designated. Described from Denmark, Birkeröd in pine forest in September.

Homotypic synonym of: Agaricus repandus Schumach. (1803)

Commentary: See Agaricus repandus Schumach.