Coprinopsis psychromorbida or cottony snow mold is a cause of snow mold. It is a basidiomycete, a psychrophile, and a plant pathogen.
C. psychromorbida can thrive at least down to , optimally , and ceases growth at .
Grows as a snow mold in wheat, rye, and other grasses (Poaceae) and can also cause storage rotting in apple and pear.