MGW: "Tricholoma atrosquamosum (Chevallier) Sacc., or T. squarrulosum Bres. [= T. atrosquammosum var. squaruulosum (Bres.) Pearson & Dennis, according to TBMS 1960]
M. G. Weaver
1993
1969-10-12
12 Oct 1969
USA, Minnesota, Crow Wing, Pelican Lake, Pelican Township, Sect 35
in mixed woods, mostly of Pinus strobus, P. banksiana, P. resinosa, sp. of Quercus, Tilia, Betula (white birch), Populus (aspen)
scattered, gregarious & cespitose on humus in mixed woods
see MGW 1695 - probably another collection of the same species.