- Species 2: tomentosus var. tomentosus
- Common Name 2: “Blue-Staining Slippery Jack”
- Common Name 3: “Poor Man’s Slippery Jack”
- Common Name 4: “Woolly-Capped Suillus”
Tells: Wooly/scaly, yellow to orangey cap balds w/ age. Brown-yellow pores stain blue, & babies may have yellow dew. Stains fingers brown.
Other Information: Yellow cap flesh stains blue slowly and/or irregularly. Note that the color varies from ore yellow in the Great Lakes region to more yellow-orange in the Rocky Mountains. Stem is also yellow or orange-yellow, with orange or brown dots. There is a California version called S. reticulatus.
- NH4OH (Ammonia): No data.
- KOH: No data.
- FeSO4 (Iron Salts): Cap skin turns pale gray.