Gills: Subdecurrent to decurrent, moderately crowded and white.

Stem: 1.6cm wide and 1.3mm thick, running equally along the length.

The surface is white with a silky, downy coating and a tomentose base.

[3] The specific epithet nivea or niveum derives from the Latin niveus meaning as white as snow.

[4] The specimens studied by Singer were found growing solitary on fallen leaves in Igapó forests along the Igarapé Tarumãzinho river in Brazil.