Bolbitius vitellinus

Yellow Bolbitius

Order Agaricales, family Bolbitiaceae 

CAP YELLOW TO GREENISH, VISCID, BELL-SHAPED TO CONICAL

Cap:  2-6 cm wide; conical to bell-shaped when young, sometimes flat with age; yolk yellow to greenish, becoming pale; slimy when moist; cap edge striated

GILLS PALE YELLOW THEN CINNAMON

Gills:  attached then free; close together; narrow; pale yellow becoming cinnamon with age, edges minutely roughened

STALK LONG, FRAGILE

Stalk:  3-12 cm long, 1.5-6 mm thick; hollow; fragile; white to pale yellow; slightly hairy, gradual basal enlargement

SPORE PRINT RUSTY BROWN

Spores 11-14 x 7-8 µm, elliptical, smooth, with apical pore

ON HEAVILY COMPOSTED LAWNS, IN GARDENS,  ON DUNG

TOO FLIMSY TO EAT

Lookalikes:

Inky caps (Coprinus sp) -- black spores

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This common park-dwelling shroom is certainly as attractive as grass and flowers. But in our mycophobic (mushroom-hating) culture, the yellow bolbitius gets less respect than the most lowly "weed."  Now you can break free from the chains of mycophobia and appreciate this fungus. You'll feel liberated.  But don't try to pick a bouquet of these mushrooms to take home. They will wilt quickly.


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