Name requested: Agaricus hypopithys

	Mycologia 49 (4): 572.
	Persoonia 13 (2): 201.

Homotypic synonym: Volvaria hypopithys

	Mycologia 8 (2): 66. 49 (4): 572.
	Persoonia 13 (2): 201, 204.
	Sydowia 4 (1-6): 110. 6 (1-4): 278.

Homotypic synonym: Volvariella hypopithys

	Mycologia 49 (4): 549, 569, 572, 574. 54 (5): 564.
	Mycotaxon 49: 269, 271, 272, 273, 274, 276. 87: 299. 103: 110. 106: 386.
	Persoonia 13 (2): 197, 198, 201, 202*, 203, 205, 207.

Heterotypic synonym: Volvariella pubescentipes

	Mycologia 49 (4): 572. 64 (4): 829.
	Mycotaxon 87: 299.
	Persoonia 13 (2): 201.