Sheathed Woodtuft / Spring / Summer / Autumn / Winter / Edible Common Names Sheathed Woodtuft, Brown Stew Fungus and Two-toned Pholiota. Scientific Name Kuehneromyces Mutabilis Family Strophariaceae Habitat They are saprobic, feeding on dead wood, logs and stumps, most often birch. They typically grow in large clumps. They sometimes…