Hygrocybe chlorophana - Hat diameter 20-70 mm; young hemispherical, usually with a blunt umbo, but not conical, then spread out. Surface bare, smooth, waxy, silky shiny with age, when wet - slippery and slightly sticky; sulfur yellow, golden yellow, very quickly fading. The edge is wavy, slightly striped from translucent plaques.
Lamellae broad, adnate to the stipe, sinuate, sometimes notched or free; light yellow, lemon yellow, with a lighter blade.
Stem 20-80 mm high, up to 10 mm thick; cylindrical, narrower at the base, sometimes laterally flattened, with age hollow, smooth, shiny, when wet - slippery, sometimes very finely fluffed; sulfur yellow, orange yellow.
The flesh is thin, fragile, unchanging, yellowish. The taste and smell are blurred.
Occurrence: On the ground, in meadows, pastures, forest clearings - in the grass; especially in foothill and mountainous regions. Grows singly or in groups; from June to October.
Value: Inedible mushroom.
Protected - very rare