Bolbitius titubans

This is a key to gilled mushrooms, that is, mushrooms having a definite cap with a fertile surface consisting of gills. The fruiting body usually also has a stem, although that may be lateral or absent (usually, then, the mushroom is growing from wood). You can use this key to identify mushrooms that you find.

Fruiting body containing fibers (usually in the stalk)

Gills not free
Spore print tan, orange, deep ochre, yellowish olive, olive brown, rusty or cinnamon brown or deep brown
Ring usually either absent or not membranous

Cap slimy, deliquescing in maturity; striate, at least in maturity
Cap fragile, hollow

Cap yellow at some stage in life
Usually growing on manure or composted ground; sometimes on other vegetable litter

Bolbitius titubans     (Bulliard: Fries) Fries

Here are the characters that distinguish this species from the others in its group. For its more general characters, see higher up on the page.
If there's just a few words or a microscopic feature here, a more thorough description can be found above.

Diagnosis

• Cap up to 1" across; bright yellow orange when young, fading around the margin in age; plicate in maturity
  
• Stalk sometimes yellow

Microscropic Characters

• Spores 10-14 x 6-8 µm

 

 

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