Polyporus tuberaster

Polyporus tuberaster, commonly known as the tuberous polypore[1][2] or stone fungus,[3] is a species of fungus in the genus Polyporus.[4] It is easily identified by the fact that it grows from a large sclerotium that can resemble buried wood or a potato.[5]

Polyporus tuberaster
Scientific classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Polyporales
Family: Polyporaceae
Genus: Polyporus
Species:
P. tuberaster
Binomial name
Polyporus tuberaster
(Jacquin ex Persoon) Fries 1821

The yellow-brown cap is 4–15 cm wide, and ranges from convex to flat and even funnel-shaped.[6] The whitish stalks can grow upwards of 10 cm high and 2–4 cm wide.[6] The spores are white.[6]

The species is edible but also tough.[6]

References
  1. "Polyporus tuberaster, Tuberous Polypore fungus". first-nature.com. Retrieved 2024-02-16.
  2. says, Claus S. "Tuberous Polypore". Wild Food UK. Retrieved 2024-02-16.
  3. Arora, David (1986). Mushrooms demystified: a comprehensive guide to the fleshy fungi (Second ed.). Berkeley: Ten Speed Press. ISBN 978-0-89815-169-5.
  4. "Polyporus tuberaster in Mycobank".
  5. Arora, David (1986). Mushrooms demystified: a comprehensive guide to the fleshy fungi (Second ed.). Berkeley: Ten Speed Press. ISBN 978-0-89815-169-5.
  6. Davis, R. Michael; Sommer, Robert; Menge, John A. (2012). Field Guide to Mushrooms of Western North America. Berkeley: University of California Press. pp. 337–338. ISBN 978-0-520-95360-4. OCLC 797915861.
Polyporus tuberaster
Pores on hymenium
Cap is depressed or umbilicate
Stipe is bare
Spore print is white
Ecology is saprotrophic
Edibility is edible


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