"Cap: 1.5-4.5 cm across; planoconvex, becoming nearly flat, with a small central bump; very fragile, and soon collapsing; deeply grooved from the margin to the center; dry or moist; pale greenish yellow, with a slightly darker center; fading to nearly white, with a yellowish center.

Gills: Free from the stem; distant; pale yellow; often dissolving in hot weather.

Stem: 4-9 cm long; 1-2 mm thick; equal above a small basal bulb; exceedingly fragile; bald; pale yellow, fading to nearly white; with a thin, fragile, yellow ring that sometimes disappears." Mushroom observer