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

Boletus rubriceps (“Rocky Mountain Red”)

Think B. edulis w/a dark red cap (unless faded by sunlight toward yellow-brown) that grows w/mountain spruce in the Southwest. May taste sweet or nutty.

SKU: Boletus pinophilus Categories: 3. Cap Tastes Nutty or Sweet, 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), Coniferous ("Needle-y") 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 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: 2 - Yellow to Gold, Primary Stem Color is: 1- White, Buff, or Light Gray, 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: 5- Is Netted (Reticulated), Stem: Netting is white, ZONE 4 - the SOUTHWEST

Description
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Description

Genus: Boletus

Species: rubriceps

Common Name: Rocky Mountain Red

Common Name 2: Rocky Mountain Red-capped King Bolete

Tells: Think B. edulis w/a dark red cap (unless faded by sunlight toward yellow-brown) that grows w/mountain spruce in the Southwest. May taste sweet or nutty.

Other Information: White pores age to yellow or greenish & DNS (maybe bluing slightly if old or wet). White-buff, clavate (bulb at the bottom) stem w/white netting higher up. Netting may sometimes age browner. White cap flesh DNS, or may blue slightly by the tubes. Likes spruce, but may grow w/pine or fir. A big (12″ across) meaty mushroom. Grows quickly after summer thunderstorms, especially by the edges of trails, ski runs, etc. Here is the original publication. NOTE: Rare specimens have a straight yellow cap instead of red.

Edibility: Choice. And that’s an understatement.

CHEMICAL TESTS:

NH4OH (Ammonia): No data.
KOH: No data.
FeSO4 (Iron Salts): No data.

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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