Rubroboletus haematinus

Blue-bruising red pores (yellow on babies) age to reddish-brown. Yellow cap flesh stains blue. Red netting on thick yellow stem, esp. at the top.

SKU: Boletus haematinus Categories: 1. Found in the Pacific Northwest, 2. Found in California, CAP COLOR FILTERS, CAP FLESH COLOR FILTERS, Cap Flesh is Yellow, CAP FLESH STAINING FILTERS, Cap Flesh Stains Blue, CAP SIZE FILTERS, CAP TASTE FILTERS, CAP TEXTURE FILTERS, Cap Texture is: 1- Dry & Smooth (Normal), Cap Texture is: 3- Wrinkled, Pitted or Corrugated, Cap Texture is: 4- Cracked Beyond Environmental Effects, Coniferous ("Needle-y") Trees, Edibility: 1- Avoid, 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, My Mushroom's Cap is >8” Across, PORE COLOR FILTERS, PORE SIZE FILTERS, PORE STAINING FILTERS, 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 Cap Color is: 5- Black, Dark Brown, or Dark Gray, Primary Pore Color is: 2 - Yellow to Gold, Primary Pore Color is: 3 - Red, Pink, Purple or Orange, 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: 3- Red, Pink, Purple, or Orange, 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 RED, ZONE 3- the FAR WEST, ZONE 4 - the SOUTHWEST

Description
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Description

Name in North American Boletes: Boletus haematinus

Genus: Boletus

Species: haematinus

Common Name:

Tells: Blue-bruising red pores (yellow on babies) age to reddish-brown. Yellow cap flesh stains blue. Red netting on thick yellow stem, esp. at the top.

Other Information: Yellow- to dark brown, oft-wavy cap may tint red, esp. by the edge, & often cracks w/age. Grows under mountain conifers, especially red fir. Found to date only in California and Idaho.

Science Notes: DNA testing moved this mushroom into the newly erected genus “Rubroboletus.” NOTE: This is the “Bad News Boletes” genus that includes many of the worst sick-makers. Red flags should go off when you see it.

Edibility: Avoid. Technically it is “Unknown,” but caution takes the better part of valor for this genus.

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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