Boletus rex-veris

White-buff to brown stem w/netting that darkens when handled. White pores age to brownish yellow & bruise rusty brown

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: 3- Wrinkled, Pitted or Corrugated, 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 >0.1" Across, My Mushroom's Cap is >4” Across, My Mushroom's Cap is >6” Across, PORE COLOR FILTERS, PORE SIZE FILTERS, PORE STAINING FILTERS, Pores Stain Other than Blue, 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 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, ZONE 4 - the SOUTHWEST

Description
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Description

Name in North American Boletes: Boletus pinophilus

Genus: Boletus

Species: rex-veris

Species 2: pinophilus
Species 3: pinicola

Common Name:

Tells: White-buff to brown stem w/netting that darkens when handled. White pores age to brownish yellow & bruise rusty brown.

Other Information: Oft-wrinkled or pitted red to rusty-brown cap often darkens with handling. White flesh DNS & is usually pinkish brown under the cap skin. Likes conifers, esp. Ponderosa Pine.

Edibility: Choice.

CHEMICAL TESTS:

NH4OH (Ammonia): [see fn] Cap may turn pinker or no reaction. No reaction on flesh.
KOH: [see fn] Cap turns red. No reaction on flesh.
FeSO4 (Iron Salts): No data.

[fn on chemical tests]. The results above are based on a single test by Ralph Begley in Oregon. The ID was later established with DNA testing but these chemical test results should be treated as tentative.

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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