Suillus subaureus

Suillus subaureus is a rare species of bolete fungus in the family Suillaceae. It is found in North America, where it associates with deciduous trees. Originally described in 1887 by Charles Horton Peck,[3] it was transferred to genus Suillus by Wally Snell in 1944.[4] Fruitbodies are pale yellow—reflecting its specific epithet subaureus, which means "somewhat golden yellow". The spore print is olive brown. Spores are smooth and inamyloid, and measure 7–10 by 2.7–3.5 µm.[5] It has also been recorded in Taiwan.[6]

Suillus subaureus
Scientific classification
Kingdom:
Fungi
Division:
Basidiomycota
Class:
Agaricomycetes
Order:
Boletales
Family:
Suillaceae
Genus:
Suillus
Species:
S. subaureus
Binomial name
Suillus subaureus
(Peck) Snell (1944)
Synonyms[1]
  • Boletus subaureus Peck (1887)
  • Rostkovites subaureus (Peck) Murrill (1909)
  • Boletus subaureus var. rubroscriptus Peck (1913)
  • Ixocomus subaureus (Peck) Singer (1938)[2]
  • Boletus subaureus var. siccipes Coker & Beers (1943)

A recent study of this species[7] indicates that S. subaureus associates with both deciduous and conifer trees in eastern North American forests. The spores of S. subaureus will not germinate in the presence of only deciduous tree roots. Instead, they require the presence of a conifer host tree (preferably Pinus) to germinate, but will then colonize and persist on deciduous hosts via mycelial extension.

The species is edible.[8]

See also

References
  1. "GSD Species Synonymy: Suillus subaureus (Peck) Snell". CAB International. Retrieved 2015-08-06.
  2. Singer R. (1938). "Sur les genres Ixocomus, Boletinus, Phylloporus, Gyrodon et Gomphidius". Revue de Mycologie. 3: 35–53.
  3. Peck CH. (1886). "Report of the Botanist (1885)". Annual Report on the New York State Museum of Natural History. 39: 30–73 (see p. 42).
  4. Slipp AW, Snell WH. (1944). "Taxonomic-ecologic studies of the Boletaceae in northern Idaho and adjacent Washington". Lloydia. 7 (1): 1–66.
  5. Smith AH, Weber NS. (1980). The Mushroom Hunter's Field Guide. University of Michigan Press. p. 100. ISBN 0-472-85610-3.
  6. Yeh K-W, Chen Z-C. (1980). "The boletes of Taiwan" (PDF). Taiwania. 25 (1): 166–184.
  7. Lofgren, Lotus; Nguyen, Nhu H.; Kennedy, Peter G. (December 2018). "Ectomycorrhizal host specificity in a changing world: can legacy effects explain anomalous current associations?". New Phytologist. 220 (4): 1273–1284. doi:10.1111/nph.15008. PMID 29411381.
  8. Phillips, Roger (2010). Mushrooms and Other Fungi of North America. Buffalo, NY: Firefly Books. p. 288. ISBN 978-1-55407-651-2.


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