Suillus serotinus

 Suillus serotinus is a species of bolete fungus found in eastern North America. Originally described as a species of Boletus by American botanist Charles Christopher Frost in 1874,[2] it was transferred to Suillus in 1996.[3] The bolete has a dark red brown and sticky cap up to 12 cm (4.7 in) in diameter. The pore surface is initially white before turning reddish brown in age; the angular pores number from 1 to 3 per millimeter. Mushroom flesh slowly stains bluish after injury, later becoming purplish gray then finally reddish brown. The fungus grows in a mycorrhizal association with larch and fruits on the ground scattered or in groups. The spore print is purplish brown; spores are oblong to ellipsoid, smooth, and measure 8–12 by 4–5 µm. The fruit bodies are edible, but lack any distinctive taste or odor.[4]

Suillus serotinus
Suillus serotinus (Frost) Kretzer & T.D. Bruns 594289.jpg
Scientific classificationedit
Kingdom:Fungi
Division:Basidiomycota
Class:Agaricomycetes
Order:Boletales
Family:Suillaceae
Genus:Suillus
Species:
S. serotinus
Binomial name
Suillus serotinus
(Frost) Kretzer & T.D.Bruns (1996)
Synonyms[1]
  • Boletus serotinus Frost (1874)
  • Boletus larignus Britzelm. (1893)
  • Boletopsis serotina (Frost) Henn. (1898)
  • Boletus bresadolae var. larignus (Britzelm.) Maire (1912)
  • Boletopsis larigna (Britzelm.) Singer (1922)
  • Fuscoboletinus serotinus (Frost) A.H.Sm. & Thiers (1971)

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 Metasyntactic variable, which is released under the 
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