Tuckahoe (or Sclerotium of Polyporus umbellatus)
Scientific Name: Polyporus umbellatus
Order & Family: Order: Polyporales, Family: Polyporaceae
Size: Sclerotia typically range from 2 cm to 10 cm in diameter when mature, though the piece in the photo is only a small fragment.

Natural Habitat
In soil or leaf litter, often associated with the roots of certain trees like beech and oak in temperate forests.
Diet & Feeding
A saprotrophic and parasitic fungus, it derives nutrients from decaying organic matter or live tree roots.
Behavior Patterns
Forms a hard, underground mass (sclerotium) to survive harsh environmental conditions; produces umbrella-like clusters of mushrooms in favorable conditions.
Risks & Benefits
Generally beneficial; used in Traditional Chinese Medicine for its diuretic and potential anti-tumor properties; ecologically helps in nutrient cycling.
Identified on: 1/12/2026