Synonymy:
Agaricus trichotis Pers., Mycologia Europaea (Erlanga) 3: 18 (1828)
Resupinatus applicatus var. trichotis (Pers.) Krieglst., Beitr. Kenntn. Pilze Mitteleur. 8: 177 (1992)

Agaricus rhacodius Berk. & M.A. Curtis, Ann. Mag. nat. Hist., Ser. 3 4: 288 (1859)
Pleurotus rhacodium (Berk. & M.A. Curtis) Sacc., Syll. Fung. (Abellini) 5: 380 (1887)
Pleurotus applicatus f. rhacodium (Berk. & M.A. Curtis) Pilát, Atlas Champ. l'Europe, II: Pleurotus Fries (Praha): 67 (1935)
Resupinatus rhacodium (Berk. & M.A. Curtis) Singer, Lilloa 22: 253 (1951) [1949]
Geopetalum rhacodium (Berk. & M.A. Curtis) Kühner & Romagn., Fl. Analyt. Champ. Supér. (Paris): 68 (1953)

Position in classification:
Resupinatus, Pleurotaceae, Agaricales, Agaricomycetidae, Agaricomycetes, Basidiomycota, Fungi

Note:
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