Agaricus sordidus Melanoleuca sordida (Schumach.)

Murrill Rhodopaxillus sordidus (Schumach.)

Maire Tricholoma sordidum (Schumach.)

Gyrophila sordida (Schumach.)

Collybia sordida, formerly Lepista sordida, is a species of blewit mushroom found across the Northern Hemisphere.