Key to Gilled Mushrooms KeyThis 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.
Agaricales OrderFruiting body containing fibers (usually in the stalk)
Gomphidiaceae FamilySpore print smoky-olive to black
Gills very decurrent, becoming smoky in age from developing spores
Cap typically slimy, or at least viscid
Under conifers only
Diagnosis
- Flesh (and gills, before they become colored by developing spores) colored: pinkish, yellow or orange
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More likely to be umbonate
Narrow down your identification:
Larger Dull-footed Chroogomphus Section- Cap up to 5" across; some shade (reddish, olive or orange) of ochre when young, darkening (sometimes quickly, as in the picture; sometimes more slowly) through a wide variety of colors to vinaceous at maturity
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Stalk pale or dull orange to ochre, aging or staining vinaceous; often with black fibrils
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Partial veil ochre; fibrillose, evanescent or leaving an annular zone that becomes blackened by trapped spores (traces of this on both larger mushrooms in the picture)
Smaller Yellow-footed Chroogomphus Section- Cap up to 1 1/2" across; some shade of pale or bright yellow, pink or ochre when young; not darkening as much as the Larger Dull-footed Chroogomphus or not darkening at all
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Stalk bright yellow or bright ochre
Chroogomphus vinicolorSpores 17-23 x 4.5-7.5 µm
Cystidia with thickened walls that swell up to 7.5 µm thick at the middle of the cell
Cap cuticule hyphae 6-7 µm wide
