Suillus weaverae f/k/a granulatus (“Butterball”)

White stem ages yellower & has many pink/brown dots & smears. Viscid cap. Whitish pores age yellow & usually stain dull cinnamon.

SKU: Suillus granulatus Categories: 1. Found in Alabama, 1. Found in Connecticut, 1. Found in Northern Illinois, 1. Found in the Pacific Northwest, 2. Cap Tastes Sour or Acidic, 2. Found in California, 2. Found in Kansas, 2. Found in New Jersey, 3. Found in Michigan, 3. Found on Long Island (New York), 4. Found in Ohio, 4. Found in Pennsylvania, 4a. Found in S.W. Pennsylvania, 5. Found in North Carolina, 5. Found in Ontario, 5. Found in W. Va. or the Central Appalachians, 6. Found in Eastern Texas, 6. Found in Quebec, CAP COLOR FILTERS, CAP FLESH COLOR FILTERS, Cap Flesh Does Not Stain with 30 seconds, Cap Flesh is White, Cap Flesh is Yellow, CAP FLESH STAINING FILTERS, CAP SIZE FILTERS, CAP TASTE FILTERS, CAP TEXTURE FILTERS, Cap Texture is: 2- Viscid, Sticky, Slimy or Slick, Coniferous ("Needle-y") Trees, Edibility: 4- Good, 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, 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: 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 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: 2- Yellow to 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 SIZE FILTERS, Stem: 7- Is Notably Dotted and/or Spotted, ZONE 1- the NORTHEAST, ZONE 2- the MIDWEST, ZONE 3- the FAR WEST, ZONE 5 - the SOUTH

Description
Discussions(1)

Description

Name in North American Boletes: Suillus granulatus AND Suillus lactifluus

Genus: Suillus

Species: weaverae

Species 2: granulatus

Common Name: “Butterball”

Common Name 2: “Dotted Stalk Suillus”

Tells: White stem ages yellower & has many pink/brown dots & smears. Viscid cap. Whitish pores age yellow & usually stain dull cinnamon.

Other Information: Likes white pine, though rumor says it may grow with other conifers too. Cap color can vary from tan, through yellow to cinnamon & red-brown, and is often streaked or checked when fresh. Stem often darkens by the base. Young specimens exude milky droplets from the pores. A good edible, though many people prefer to remove the cap skin. May taste acidic.

Science Notes: North American Boletes lists Suillus lactifluus as a separate species. DNA tests have merged the two. As to the name, that wonderful name “granulatus” is now reserved for the original European species, leaving we poor Americans with the waste of letters “weaverae”. What can you do?

Edibility: Good, though many people prefer to remove the cap skin.

CHEMICAL TESTS:

NH4OH (Ammonia): Cap skin turns bluish gray, but stem skin turns purplish brown. Cap flesh turns pinkish or reddish orange before shifting to bluish or purplish with an orange border. Pores turn rusty orange.
KOH: Cap skin turns dark olive or olive-gray, but stem skin turns purplish brown. Cap flesh turns pinkish brown (lactifluus reportedly turned dull lilac blue). Pores turn an instant rusty orange that quickly shifts to purplish brown.
FeSO4 (Iron Salts): Cap skin turns bluish or olive gray, but stem skin turns dark green. Cap flesh turns dark green. Pores turn olive green.

Links:

National Audubon Society Field guide to Mushrooms, Gary Lincoff

584

Mushrooms of West Virginia and the Central Appalachians

336

North American Boletes

237 (granulatus)
242 (lactifluus)

333

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Sonya Harris

1 year 5 months ago

Found a cluster of these in Woolwich Township, New Jersey. I’ve never seen them before and am excited to learn what I can about them.

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