When: 2017-09-07

Collection location: Hamilton, Massachusetts, USA [Click for map]

Who: Chris Neefus (Chris Neefus)

No specimen available

Habitat: hemlock and oak and beech forest
Substrate: Oak leaf litter
Abundance: Quite a Few, gregarius
Additional notes: Spore print is tan. Spores are globose and 5 m in diameter.
Cap somewhat orange with KOH, Greyish-Green with FeSO4


Proposed Names

-84% (1)
Recognized by sight
1% (2)
Recognized by sight
Based on microscopic features: Size of spores (5 microns) matches C. popinalis, but reported shape is subglobose to broadly ellipsoid.
53% (3)
Used references: Baroni – Mushrooms of the Northeastern United States and Eastern Canada

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= Observer’s choice
= Current consensus


Add Comment
Okay, I agree that…
By: Dave W (Dave W)
2017-09-13 08:32:18 CDT (-0500)

if Baroni says populinus may be strictly European, then this probably represents the best current understanding of Clitocella. Information available on Champignons du Quebec is not very useful here (the remarks under C. mundula appear to contradict what is written under habitat). MushroomExpert uses the name Clitopilus populinus for the eastern NA species, but this is likely not up to date.

Image of spore print color is close,
By: Chris Neefus (Chris Neefus)
2017-09-11 16:21:09 CDT (-0500)

but it is actually a bit “warmer”. Baroni describes it as “clay-pink”. I can buy the “clay” part, but I’m having a hard time seeing it as pink. I’ll get some images of the spores. Spores are essentially spherical except for a tiny point where they were attached to the basidium. On further reading, Baroni contends that Clitocella popinalis is likely strictly European, while Clitocella mundula occurs in both Europe and North America.

Chris, is the spore print color…
By: Dave W (Dave W)
2017-09-11 12:43:50 CDT (-0500)

as seen in the photo accurate? Looks kinda gray. Your report that the print is tan is not contrary to the generally reported print color as pink. (A very thick pinkish print can appear to be tan.)

Created: 2017-09-11 08:43:19 CDT (-0500)
Last modified: 2017-09-13 08:25:29 CDT (-0500)
Viewed: 75 times, last viewed: 2019-07-16 09:53:23 CDT (-0500)
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