Rhodocollybia     Genus



Cortinarius husseyiKey to Gilled Mushrooms     Key
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.



TricholomaAgaricales     Order
Fruiting body containing fibers (usually in the stalk)



Amanita onustaWhite Spored     Suborder
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



TricholomataceaeTricholomataceae     Family
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



TricholomaTerrestrial Trich     Subfamily
Growing on the ground



Clitocybe nebularisWoodland Normal Trich     Tribe
Found in woods
Not rooting


Gymnopus dryophilusCollybia sensu lato     SemiTribe
Cap up to 2" across, occasionally larger; sometimes purplish
Usually growing on leaves and duff rather than directly on the ground


Rhodocollybia     Genus     Singer




Rhodocollybia butyracea

Diagnosis


Narrow down your identification:


Rhodocollybia butyraceaRhodocollybia butyracea
Gills white to dingy pink, entire at first, becoming scalloped or eroded at maturity
Stalk concolorous with cap, often clavate (large end down); striate the long way and often twisted; tough; hollow in age, base canescent with mycelium
On ground

Rhodocollybia maculata
Entire fruiting body pale, developing reddish brown streaks or spots in age
Cap up to 4" across; pinkish buff when young, fading
Stalk up to 5" long, 1/2" wide; striate and easy to split the long way; slightly rooting, narrowing as it enters the ground
Taste bitter
On rich humus or buried wood


 

 


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