Description
Name in North American Boletes: Fuscoboletinus grisellus
Genus: Suillus
- Genus 2: Fuscoboletinus
Species: grisellus
Common Name: “Grayish Suillus”
Tells: White/gray/brown pores run down stem (decurrent) & DNS. Likes sphagnum moss under larch, usually in wetlands.
Other Information: Stem flesh is white on top, yellow in the middle, red-orange by the base, & DNS. White/gray cap, maybe w/yellowish tints, is usually dry or slightly viscid & may be scaly. Whitish cap flesh DNS. White to olive- or tan-gray cap & stem, maybe w/yellow tints.
Science Notes: DNA testing eliminated the genus Fuscoboletinus and moved all its members to Suillus except for paluster, which has been placed (probably for just the moment) in Boletus.
Edibility: Good.
CHEMICAL TESTS:
- NH4OH (Ammonia): Cap skin turns pale pink. Cap flesh turns pale pink.
- KOH: Cap skin turns pale reddish-brown. Cap flesh turns pale pinkish-red that quickly resolves to pinkish-gray.
- FeSO4 (Iron Salts): Cap skin turns bluish-gray. Cap flesh instantly turns bluish-gray.
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