Suillus caerulescens

Yellow cap flesh smells acidic to metallic & DNS (but stem flesh blues lower down). Soft, fibrous ring on yellow stem w/cinnamon tints.

Description

Genus: Suillus

Species: caerulescens

  • Species 2: imitatus
  • Species 3: imitatus var. imitatus
  • Species 4: imitatus var. viridescens

Common Name:

Tells: Yellow cap flesh smells acidic to metallic & DNS (but stem flesh blues lower down). Soft, fibrous ring on yellow stem w/cinnamon tints.

Other Information: Viscid red-orange or rusty-brown cap fades w/age toward dull yellow, often w/old-color streaks, & usually w/an olive-, blackish-, or bluish-green flush. Pale yellow pores age to dingy yellow & stain dull cinnamon-brown. Yellow stem flesh DNS or stains greenish or bluish. Yellow stem may feature dark brown by the base, green under the ring, and/or pinkish cinnamon spots from veil material. Grows on mosses under conifers.

Science Notes: Formerly known as S. imitatus

Edibility: Unknown.

CHEMICAL TESTS:

  • NH4OH (Ammonia): No data.
  • KOH: Cap flesh turns wine-red to brownish gray.
  • FeSO4 (Iron Salts): Cap flesh turns gray, brownish gray, or olive.

Links:

National Audubon Society Field guide to Mushrooms, Gary Lincoff 0 Mushrooms of West Virginia and the Central Appalachians 0 North American Boletes 240

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