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The Bolete Filter Triage (A Synoptic Key) for North American Boletes

Boletus edulis var. grandedulis (“Barstools”)

Viscid-when-wet cap is buff on babies but quickly ages to brown (from yellow- to red-), usually w/a yellow edge. White netted (esp. higher up) white-buff to yellow-brown stem.

SKU: Boletus pinophilus Categories: 1. Found in the Pacific Northwest, 2. Found in California, CAP COLOR FILTERS, CAP FLESH COLOR FILTERS, Cap Flesh Does Not Stain with 30 seconds, Cap Flesh is White, 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, Deciduous (Leafy) Trees, Edibility: 5- Choice, 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 Tiny, My Mushroom's Cap is >.1" Across, My Mushroom's Cap is >4” Across, My Mushroom's Cap is >6” Across, My Mushroom's Cap is >8” Across, PORE COLOR FILTERS, PORE SIZE FILTERS, PORE STAINING FILTERS, Pores Do Not Stain within 30 seconds, Pores Stain Other than Blue, Primary Cap Color is: 2- Yellow to Orange, Primary Cap Color is: 3- Red, Pink, Purple, or Orange, Primary Cap Color is: 4- Some Shade of Brown, Primary Pore Color is: 1- White, Buff, or Light Gray, Primary Pore Color is: 4 - Some Shade of Brown, Primary Stem Color is: 1- White, Buff, or Light Gray, Primary Stem Color is: 2- Yellow to Orange, Primary Stem Color is: 4- Some Shade of Brown, Spore Print is 1- Olive to Olive-Brown, Spore Print is 4- Plain Old Brown, STEM COLOR FILTERS, STEM DECORATION/ TEXTURE FILTERS, Stem Is Bulbous, STEM SIZE FILTERS, Stem: 1- Has No Significant Ornaments, Stem: 5- Is Netted (Reticulated), Stem: Netting is WHITE, ZONE 3- the FAR WEST

Description
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Description

Genus: Boletus

Species: edulis var. grandedulis

Common Name: California King Bolete

Common Name 2: Barstools

Tells: Viscid-when-wet cap is buff on babies but quickly ages to brown (from yellow- to red-), usually w/a yellow edge. White netted (esp. higher up) white-buff to yellow-brown stem.

Other Information: White pores age to brownish cinnamon & DNS (or may darken slightly). White cap flesh DNS, or may blue slightly by the tubes. Can grow to enormous sizes (>15″ across) that provoke vast envy in Easterners such as your author. Prefers Bishops or Monterrey Pine, but occasionally found with Coast Live Oak.

Edibility: Choice.

CHEMICAL TESTS:

NH4OH (Ammonia): Cap flesh turns pink or red.
KOH: Cap flesh turns brownish.
FeSO4 (Iron Salts): No data.

Links:

National Audubon Society Field guide to Mushrooms, Gary Lincoff

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North American Boletes

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