Clitocybe robusta Pk. Cap 3-16cm across, flattened-convex with an inrolled margin, becoming flatter with a shallowly depressed disc and a wavy margin; whitish becoming pale tan; smooth, dry with a downy bloom, patchy and slightly sticky when wet. Gills adnate to decurrent, close, narrow becoming moderately broad; white to dark cream. Stem 45-100 x 10-35mm, solid becoming hollow, base slightly bulbous; whitish; surface felty, dotted with fine hairs or fine scales at the top and base covered in fine white down. Flesh thick at the disc, firm when dry; white. Odor strong, unpleasant, like Clitocybe nebularis (Batsch ex Fr.) Kummer. Taste sweetish to rancid. Spores ellipsoid, smooth, nonamyloid, 5.5-7.5 x 3-4.5ì. Deposit creamy yellow. Habitat in groups or clusters on leaf debris under conifers or in deciduous woods. Found widely distributed in many parts of North America. Season August-October. Not edible. Comment I found this species growing in vast, numerous, overlapping rings.