Psathyrella Genus
 Cap up to 2" across; glabrous; often very fragile; some shade (or shades) of brown or gray; usually hygrophanous; sometimes wrinkled (as in the photo)
Spore print usually dark purplish brown
With a universal veil that usually persists as a few small, white fragments on the stem, cap, and hanging from the cap margin
On very well-decayed wood or enriched soil, sometimes in lawns, sometimes in large troops
Cap usually almost flat at maturity | Links from Look-alikes Fungicolous Trich Subfamily
 Cap less than an inch across
Growing on other fungi, usually on their blackened and squishy remains |