The spores in some species are blackish, and for this reason the genus has been placed by many with the black-spored agarics, while its true relationship is probably with the genus hygrophorus or Paxillus.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson
The vermilion hygrophorus is a very common plant in the woods during the summer.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson
These are chiefly hygrophorus virgineus, Fr.
"Fungi: Their Nature and Uses"
Mordecai Cubitt Cooke