Cortinarius rufosanguineus, commonly known as the bloodred webcap, is a species of mushroom in the family Cortinariaceae.
The cap of Cortinarius rufosanguineus starts out rounded, before expanding to convex or flat. It is about 2âÂÂ6.5 centimeters in diameter. The gills can be adnate, sinuate, or sometimes decurrent. The stipe is about 2âÂÂ6.5 centimeters long and 0.5-1.5 centimeters wide. It is sometimes slightly wider at the base. Virtually the entire mushroom is red. A cortina is present, and spore print is rusty brown.
Cortinarius rufosanguineus is rare, and found under fir and hemlock trees. It is found in meadows in subalpine regions, and can be found in Alaska and Washington.