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Tapinella atrotomentosa, also known as Paxillus atrotomentosus or Velvet Rollrim, is a large or massive agaric with a brown cap, buff gills, and a dark brown, velvety, sometimes eccentric stem. The mushroom grows singly or in groups or clumps on decaying conifer logs, stumps, roots, or partially buried wood.
initially broadly convex, later flat or shallowly vase-shaped, dry, densely to finely velvety, brownish yellow to yellow-brown or reddish-brown in youth, typically darkening with age. Margin initially inrolled, often developing wide scalloping in maturity. The flesh is thick and firm and whitish to yellowish coloured. Gills
decurrent (running down the stem), cream-yellow and forked, becoming ochre and spotted rust with age. Stem
equal or occasionally swollen in the middle, sometimes off-centre or even lateral, thick and sturdy, whitish near the top but velvety brown to blackish-brown fuzz covers the lower part. The stem has no ring. Spore print
The spores are ellipsoidal, smooth, measuring 5-6 x 3-4.5µm.
Paxillus atrotomentosus is an older name.
on the First Nature Web site.
on the MushroomExpert.Com Web site.
Many mushrooms are poisonous and some are lethally poisonous. It can be very difficult to distinguish between an edible and a poisonous mushroom. Because of that, we recommend that you never eat wild mushrooms, and this site does not contain any information about the edibility or toxicity of mushrooms.
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