Observation 32314: Pholiota alnicola (Fr.) Singer

When: 2010-01-18

Collection location: Strouds Run State Park, Athens, Ohio, USA [Click for map]

Who: Dan Molter (shroomydan)

No specimen available

These tiny colorful mushrooms were growing from a rotting hardwood log.


1000x water
1000x water
400x dry
1000x water

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I’m not sure either
By: Irene Andersson (irenea)
2010-01-22 13:32:38 PST (-0800)

about the micro details, but the spore shape fits Pholiota/Flammula alnicola, supposed to be thickwalled with a very tiny germ pore (size 7-10.5 × 4-5.5 μm,). So far, it seems to have been treated as a species complex..

yeah, smooth…
By: Douglas Smith (douglas)
2010-01-22 12:57:36 PST (-0800)

They do look smooth. But there doesn’t seem to be a germ pore of any kind, that seems clear. The spores really don’t look like Pholiota… but I should try and check on details, were there some Pholiota without a germ pore? But still Pholiota have ellipsoid spores, not pointed like these. Am I crazy or are there hints of a plage in the first photo there? Makes me wish you had some Meltzer’s and see if the spores are dextrinoid… But these would make some funny lookin’ Galerinas…

smooth spores?
By: Dan Molter (shroomydan)
2010-01-22 09:07:02 PST (-0800)

I put some new spore shots up. I think the spores are smooth, slightly wrinkled maybe, but we are at the limits of what my equipment can show.

Reminds of
By: Irene Andersson (irenea)
2010-01-22 00:43:15 PST (-0800)

something in the Pholiota (now Flammula) alnicola group.

No, not Hypholoma.
By: Douglas Smith (douglas)
2010-01-21 13:53:37 PST (-0800)

Not Hypholoma, although thats not bad. But those would have purple-black spores. And the spores are dark coco brown in the scope, with a germ pore. Still think these are wierd… If you look again, really see if the spores are smooth or not.

what about Hyphaloma
By: Dan Molter (shroomydan)
2010-01-21 13:33:25 PST (-0800)

These poor little guys would have been passed over without a second glance if it were summer and shrooms were abundant, but it is the dead of winter here in Ohio, so fleshy agarics of any kind become interesting.

At first I thought they were washed out orange mycenas, but the spores are brown. My next thought was Hypholoma.

Two years ago this would have been just another deadly galerina. But two years ago i was not in the woods in January :)

I’ll try to get some better spore shots up.

By: Douglas Smith (douglas)
2010-01-21 04:45:27 PST (-0800)

Now, these are weird, I was just going to shrug them off, ah, some unknown little guy on wood… but wait brown spores… Ok, just another little Pholiota. But those spores don’t seem to have a germ pore there… So, I don’t think these are Pholiota (or Agrocybe (maybe), or Bolbitius). And on wood, but not clearly warted, so not Gymnopilus. That gets on down to not much… possible Simocybe, but that doesn’t look right, and the spores should be more rounded. Which really starts to leave us Galerina. And those spores do have a Galerina shape to them. But they don’t look all that roughened? Rather smooth? Did they look smooth in the scope? And they are mostly off-white creamy, and non-striate, I can’t tell really are they hygrophanous? Hmm… these are weird if those are the spores…

Created: 2010-01-20 18:13:20 PST (-0800)
Last modified: 2016-09-20 12:57:29 PDT (-0700)
Viewed: 211 times, last viewed: 2017-06-06 07:39:14 PDT (-0700)
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