It further differs from Agaricus in the stem being continuous with the substance of the cap, while stropharia seems to differ in this respect in different species.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson
The genus stropharia has purple-brown spores, the gills are attached to the stem, and the veil forms a ring on the stem.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson