Cortinarius alboglobosus

The fibrillose cap of Cortinarius alboglobosus is about 4-12 centimeters in diameter and is convex or sometimes umbonate. It starts out whitish and darkens in age, becoming brown or grayish buff in color. The stipe is about 4-12 centimeters long and 1-4.5 centimeters wide. It can be light brown or white, and is fibrillose.^[1] The gills are tannish to brownish,^[2] and adnexed.^[1] The inside of the mushroom is brownish.^[3]

Cortinarius alboglobosus is found under both birch trees and conifers.^[3] It is found in both Europe and North America, with European collections being more common with birch and Pacific Northwestern collections being more common with conifers.^[2]