Suillus glandulosus (“Boreal Bolete”)

Yellow, oft-pungent cap flesh reddens by bug holes & DNS. Very viscid stem is yellow w/red dots above the ring & dark red (aging toward blackish brown) below.

SKU: Fuscoboletinus glandulosus Categories: 1. Cap Tastes Bitter, Acrid, Astringent, or Peppery, 3. Found in Michigan, 6. Found in Quebec, CAP COLOR FILTERS, CAP FLESH COLOR FILTERS, Cap Flesh Does Not Stain with 30 seconds, Cap Flesh is Yellow, CAP FLESH STAINING FILTERS, CAP SIZE FILTERS, CAP TASTE FILTERS, CAP TEXTURE FILTERS, Cap Texture is: 1- Dry & Smooth (Normal), Cap Texture is: 2- Viscid, Sticky, Slimy or Slick, Coniferous ("Needle-y") Trees, Edibility: 4- Good, FILTER SET #1: REGION, FILTER SET #2: CAP FEATURES, FILTER SET #3: PORE FEATURES, FILTER SET #4: STEM FEATURES, FILTER SET #5: CAP FLESH (CONTEXT) FEATURES, FILTER SET #6: SPORE PRINT, FILTER SET #7: HABITAT FILTERS, FILTER SET #8: EDIBILITY, My Mushroom is Mature & Its Pores are Huge, My Mushroom's Cap is >0.1" Across, My Mushroom's Cap is >4” Across, PORE COLOR FILTERS, PORE SIZE FILTERS, PORE STAINING FILTERS, Pores Do Not Stain within 30 seconds, Primary Cap Color is: 3- Red, Pink, Purple, or Orange, Primary Cap Color is: 4- Some Shade of Brown, Primary Pore Color is: 2 - Yellow to Gold, Primary Pore Color is: 4 - Some Shade of Brown, Primary Stem Color is: 2- Yellow to Orange, Primary Stem Color is: 3- Red, Pink, Purple, or Orange, Primary Stem Color is: 4- Some Shade of Brown, Spore Print is 3- Pink-, Red-, Purple-, or Cinnamon-Brown, Spore Print is 4- Plain Old Brown, STEM COLOR FILTERS, STEM DECORATION/ TEXTURE FILTERS, STEM SIZE FILTERS, Stem: 2- Is Viscid, Sticky, Slimy or Slick, Stem: 3- Has a Ring (Annulus), Stem: 5- Is Netted (Reticulated), Stem: 7- Is Notably Dotted and/or Spotted, ZONE 1- the NORTHEAST, ZONE 2- the MIDWEST

Description
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Description

Name in North American Boletes: Fuscoboletinus glandulosus

Genus: Suillus

Genus 2: Fuscoboletinus
Genus 3: Boletinus

Species: glandulosus

Common Name: “Boreal Bolete”

Tells: Yellow, oft-pungent cap flesh reddens by bug holes & DNS. Very viscid stem is yellow w/red dots above the ring & dark red (aging toward blackish brown) below.

Other Information: Viscid, red-brown cap often has black spots or streaks when old. Grows with conifers, esp. balsam fir and hemlock.

Science Notes: DNA testing moved this mushroom from the now-eliminated genus Fuscoboletinus to Suillus. A northerly species.

Edibility: Good.

CHEMICAL TESTS:

NH4OH (Ammonia): Cap skin turns red.
KOH: Cap skin turns red.
FeSO4 (Iron Salts): Cap skin turns bluish. Cap flesh turns olive and then olive-black.

Links:

National Audubon Society Field guide to Mushrooms, Gary Lincoff

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Mushrooms of West Virginia and the Central Appalachians

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North American Boletes

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BENA

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