Agaricus pequinii     (Boud.) Singer,

Synonymy:
Agaricus gennadii subsp. microsporus Bohus, Annls hist.-nat. Mus. natn. hung. 67: 38 (1975)
Agaricus gennadii var. microsporus (Bohus) Wasser, Agarikovye Griby SSSR (Kiev): 65 (1985)
Agaricus gennadii var. microsporus (Bohus) Wasser, Tribe Agariceae Pat. of the Soviet Union (Koenigstein): 110 (1989)
Chitonia pequinii Boud., Bull. Soc. mycol. Fr. 17: 26 (1901)
Clarkeinda pequinii (Boud.) Sacc. & P. Syd., Syll. fung. (Abellini) 16: 112 (1902)