Tylopilus sordidus

Tylopilus sordidus is a bolete fungus in the family Boletaceae. It was originally described in 1874 by Charles Christopher Frost as a species of Boletus. Alexander H. Smith and Harry Thiers transferred it to the genus Tylopilus in 1968.[2] Fruit bodies of the fungus have a convex to flattened cap measuring 4.5–13 cm (1.8–5.1 in) in diameter. The brownish cap surface is initially tomentose to felt-like, but develops cracks in age. All parts of the mushrooms bruise dark blue to greenish when injured. The spore print is reddish brown; spores are smooth, roughly elliptical, and measure 10–14 by 4–6 µm. The bolete is found in North America, where it grows on the ground under oaks and conifers. Its edibility was recently unknown,[3] but it is now considered inedible.[4]

Tylopilus sordidus
Scientific classification
Kingdom:
Fungi
Division:
Basidiomycota
Class:
Agaricomycetes
Order:
Boletales
Family:
Boletaceae
Genus:
Tylopilus
Species:
T. sordidus
Binomial name
Tylopilus sordidus
(Frost) A.H.Sm. & Thiers (1968)
Synonyms[1]
  • Boletus sordidus Frost (1874)
  • Ceriomyces sordidus (Frost) Murrill (1909)
  • Porphyrellus sordidus (Frost) Snell (1945)
  • Tylopilus porphyrosporus var. sordidus (Frost) Wolfe (1980)

References
  1. "GSD Species Synonymy: Tylopilus sordidus (Frost) A.H. Sm. & Thiers". Species Fungorum. CAB International. Retrieved 2014-12-13.
  2. Smith AH, Thiers HD. (1968). "Notes on Boletes: 1. The generic position of Boletus subglabripes and Boletus chromapes. 2. A comparison of four species of Tylopilus". Mycologia. 60 (4): 943–54. doi:10.2307/3757396. JSTOR 3757396.
  3. Bessette A. (1997). Mushrooms of Northeastern North America. Syracuse University Press. p. 363. ISBN 978-0-8156-0388-7.
  4. Phillips, Roger (2010). Mushrooms and Other Fungi of North America. Buffalo, NY: Firefly Books. p. 284. ISBN 978-1-55407-651-2.


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