Taxonomische Synonyme: Tricholoma transforme Sacc., Sylloge Fungorum 11: 12 (1895) [MB223184] Clitocybe semitalis subsp. trigonospora Bres.: 30 (1881) [MB539071] Tricholoma trigonosporum (Bres.) Ricken, Die Blätterpilze 1 (1915) [MB493503] Lyophyllum trigonosporum (Bres.) Kühner, Bulletin Mensuel de la Société Linnéenne de Lyon 7: 211 (1938) [MB255179] Collybia semitalis var. trigonospora (Bres.) Quél., Enchiridion Fungorum in Europa media et praesertim in Gallia Vigentium: 28 (1886) [MB137563] Collybia trigonospora (Bres.) Mussat, Sylloge Fungorum 15: 96 (1900) [MB237608] Caesposus trigonosporus (Bres.) Nüesch, Jahrb. St. Gall. Naturw. Ges.: 110 (1937) [MB521626] Clitocybe trigonospora (Bres.) Singer, Annales Mycologici 41: 21 (1943) [MB539072] Collybia semitalis subsp. trigonospora (Bres.) Sacc., Sylloge Fungorum 5: 204 (1887) [MB539073]