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

Austroboletus subflavidus

Smells fruity but tastes bitter. Stem with thick, raised netting & often a yellow base. Babies may have clear fluid beads on the pores.

SKU: Austroboletus subflavidus Categories: 1. Cap Tastes Bitter, Acrid, Astringent, or Peppery, 2. Found in Florida, 2. Found in New Jersey, 4. Found in Pennsylvania, 5. Found in North Carolina, 6. Found in Eastern Texas, 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: 4- Cracked Beyond Environmental Effects, Coniferous ("Needle-y") Trees, Deciduous (Leafy) Trees, Edibility: 2-Bitter, 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's Cap is >.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: 1- White, Buff, or Light Gray, Primary Cap Color is: 2- Yellow to Orange, Primary Cap Color is: 3- Red, Pink, Purple, or Orange, Primary Pore Color is: 1- White, Buff, or Light Gray, Primary Pore Color is: 3 - Red, Pink, Purple or Orange, 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 3- Pink-, Red-, Purple-, or Cinnamon-Brown, Spore Print is 4- Plain Old Brown, STEM COLOR FILTERS, STEM DECORATION/ TEXTURE FILTERS, Stem Is Thin & Stringy, STEM SIZE FILTERS, Stem: 4- Has Ridges, Stem: 5- Is Netted (Reticulated), Stem: Netting is white, ZONE 1- the NORTHEAST, ZONE 5 - the SOUTH

Description
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Description

Name in North American Boletes: Austroboletus subflavidus

Genus: Austroboletus

Species: subflavidus

Common Name: White Coarsely-Ribbed Bolete

Tells: Smells fruity but tastes bitter. Stem with thick, raised netting & often a yellow base. Babies may have clear fluid beads on the pores. Found under oak and pine.

Other information: Mushroom is all white to buff except the pores, which age toward pink. Nothing stains. Cap often cracks with age. Mushrooms are often found in a dried or shriveled state.

Edibility: Avoid. Too bitter to eat.

CHEMICAL TESTS:

NH4OH (Ammonia): Cap surface turns pale cinnamon.
KOH: Cap surface turns pale cinnamon.
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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