Basionym: Agaricus tabescens Scop., Flora carniolica. Ed. 2 2: 446 (1772) [MB#187023] Obligate synonyms: - Armillaria tabescens (Scop.) Emel, Le Genre Armillaria, Fr. Sa Suppression de la Systèmatiquê Botanique: 50 (1921) [MB#416008] - Clitocybe tabescens (Scop.) Morot, Journal de Botanique (Morot) 2 (21): 388 (1888) [MB#255019] - Collybia tabescens (Scop.) Sacc., Sylloge Fungorum 5: 206 (1887) [MB#217970] - Armillaria mellea var. tabescens (Scop.) Ramsb., Gardeners' Chronicle Ser. 3. 60 (1556): 201 (1916) [MB#270912] - Armillariella tabescens (Scop.) Singer, Annales Mycologici 41 (1/3): 19 (1943) [MB#433298] - Fungus tabescens (Scop.) Kuntze, Revisio generum plantarum 3 (3): 480 (1898) [MB#526481] - Collybia mellea subsp. tabescens (Scop.) Emel, Le Genre Armillaria, Fr. Sa Suppression de la Systèmatiquê Botanique: 76 (1921) [MB#846908] Taxonomic synonyms: Armillaria mellea var. exannulata Peck, Annual Report on the New York State Museum of Natural History 46: 134 (1893) [MB#500115]