Yellowish Cystoderma     Section

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)

Spore print "light-colored": white or buff, sometimes tinged with pink or tan. Greenish and (except for the Russulales) yellow spore prints also go here
Stalk fibrous, not fracturing like a piece of chalk

None of the special features distinguishing the other white-spored genera:
Gills not free, as in the Lepiotas and Amanitas
Basidia not extra-long, as in the Hygrophoraceae
Spores smooth, except for Lentinellus

Growing on the ground

Found in woods
Not rooting

Cap powdery
Stalk sheathed by a powdery armilla
Generally up to 2" across

Diagnosis

• Cap and stem tawny yellow, to brown

Narrow down your identification:

Flesh staining dark rusty brown with KOH or ammonia
On moss, needles or humus in conifer woods
Ring often incomplete, not very assertive

Cap deeply wrinkled from center out
Flesh staining dark rusty brown with KOH or ammonia
On moss, needles or humus in conifer woods
With a strong odor, variously described as like newly husked corn or just "pungent"
Ring often incomplete, not very assertive

Known from moss, needles or humus in conifer woods in the Pacific NW or the Great Lakes area
Cap surface turning black with KOH
Ring firm, often flaring

Found on rotting hardwoods

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