Sarcodon squamosus, also known as Scaly Tooth, is a large mushroom that has a coarsely scaly, pale brown cap with dark greyish, spiny under-surface. It grows particularly with pines, solitary or in scattered groups, on the soil in coniferous woods.
pale brown, decorated with coarse darker grey 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 grey, remaining pallid at the base, equal or somewhat clavate towards the base, downy. Flesh white, thick in the cap centre, firm, full in the stem. Spines
4 to 10mm long, decurrent, white or pale buff, turning purple-brown with age.
on the www.first-nature.com web site.