Sarcodon squamosus, also known as Scaly Tooth, is a large mushroom that has a coarsely scaly, pale brown cap with dark grayish, spiny under-surface. It grows with pines solitary or in scattered groups, on the soil in coniferous woods.
pale brown, decorated with coarse darker gray scales, erect at the centre, more flattened towards the incurved margin, arranged in concentric rows. It is at first shallowly convex, then flattened or slightly depressed at the centre; at first whitish, becoming gray, remaining pallid at the base, equal or somewhat clavate towards the base, downy. Flesh white, thick in the cap centre, firm, full in stem. Spines
4 to 10mm long, decurrent, white or pale buff, turning purple-brown with age.
on the www.first-nature.com web site.