Suillus americanus (American slippery Jack)
North America
Cap 3–10 cm diameter, stem 3–9 cm cm tall * 0.4–1 cm cm diameter
This site contains no information about the edibility or toxicity of mushrooms.
Suillus americanus, also known as American slippery Jack, is a small- to medium-sized bolete with a slimy, bright yellow cap. The mushroom grows singly or in clusters on soil in association with pines, particularly eastern white pine.

Cap broadly convex with a small umbo (a central elevation) to flat with age. The margin has a soft cottony, yellowish veil material which leaves brownish patches as it dries. The colour is bright yellow with red or brownish streaks and hairy patches. When the fruit body is young and moist, the surface is slimy. Pores angular (slightly wider than long) and yellow. Stem cylindric, more and less equal, though, slender, often bent. Occasionally with a ring or ring zone, but usually bare. The colour is yellow and it is often dotted with brown spots. Spore print light brown to brownish orange.

Microscopic Features: Spores measure 8–10.5 x 3–4 µm, having a boletoid-fusiform shape, smooth surface, and appearing hyaline to yellowish in KOH.

Suillus americanus on the MushroomExpert.Com Web site.

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