Name requested: Agaricus hysginus

Mycologia 2 (1): 30.

Homotypic synonym: Lactarius hysginus

	Mycologia 56 (4): 623. 78 (1): 81, 82.
	Mycotaxon 25 (1): 188. 77: 136. 88: 285.
	Sydowia 3 (1-6): 170.