Observation 169063: Agaricales sensu lato

When: 2014-07-05

Collection location: Japan [Click for map]

Who: shinto

No specimen available

mycelium root like and strong, cap fades to buff when dry.



Proposed Names

15% (3)
Recognized by sight
28% (1)
Used references: Arora, Mushrooms Demystified. Spore print is brown to chocolate brown.
57% (1)
Recognized by sight

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= Observer’s choice
= Current consensus


Add Comment
Let’s work on it…
By: Excited delirium [EXD]▼ (Excited delirium [EXD]▼)
2014-07-05 22:10:42 CDT (-0400)

…So you could have two species still. Can I ask that you separate each collection and photograph the ones several times that look Deconica-like?

By: shinto
2014-07-05 21:59:07 CDT (-0400)

the tupperware container is a mixed collection including some specimens from my latest posting found growing in shredded bark/slash at same park. thanks for help and comments. The stipe in the present observation is short, often curved and pliant, so some psathyrella are this way? Not “snapyrella”? Took the new photos with flash.

By: Excited delirium [EXD]▼ (Excited delirium [EXD]▼)
2014-07-05 21:48:53 CDT (-0400)

Yes, the new photos help. Are you certain that you didn’t add two different species or collections into your tupperware container? I do see at least some Psathyrella in there. A few specimens are making me wonder if there’s a few Deconica in there?

By: shinto
2014-07-05 21:32:42 CDT (-0400)

fairly sure that is what this is, although the stipe seems fairly pliant. upon further inspection in the beachside park where I saw these yesterday, there are probably thousands of them coming up everywhere there is oak debris and leaf litter. I noticed the stem bruises what I would call black immediately upon vigorous pinching. Psathyrella is everywhere here, just uncommon this time of year.

Microscope Options
By: Excited delirium [EXD]▼ (Excited delirium [EXD]▼)
2014-07-05 18:52:30 CDT (-0400)

I would try to find a vendor within your nation. If you’re wanting a couple of U.S. sites, here’s a couple of introductory models:



Search for a “compound” and/or “biological” microscope. Try to get a digital imager (camera) with it to share your microscopy.

By: shinto
2014-07-05 18:32:06 CDT (-0400)

I will check them out again.and take better prictures if they are still there. There was no bluing on handling stems or cap, blackish staining on cap from rain. Spore print I did in the field in that styrofoam tray that is in the picture, did not come out too well. I would call the color brown with a lot of black in it. A more violet color would indicate the presence of reddish pigment within the brown color spectrum to me and this did not seem to have that. chocolate" colored is close, agreed. Have to be cautious here, such finds I leave in the field and try to take a spore print in the field without collecting them just in case it is a psychotropic fungi
wish I had a microscope, maybe time to invest in one. any suggestions?.

Visible features indicate Deconica or Psilocybe possibly
By: Excited delirium [EXD]▼ (Excited delirium [EXD]▼)
2014-07-05 15:18:52 CDT (-0400)

Can you tell me if there was any bluing on the stems or caps after picking them?

If you still have them, can you re-photograph them? This collection should definitely be studied further. Please keep us updated.

By: Daniel B. Wheeler (Tuberale)
2014-07-05 10:42:10 CDT (-0400)

for posting the spore-print, shinto. I would call the spore print brown to chocolate brown. Possibilities include Psilocybe, Coprinus, Psathyrella, Agaricus, and Stropharia. I think this is Psathyrella.

Mention what the fungus is growing on, shinto.
By: Daniel B. Wheeler (Tuberale)
2014-07-05 01:47:09 CDT (-0400)

This appears to be growing on wood, so likely a saprobe like Lentinula edodes (shiitake). The mycelium is white, but the cap is dark red as are the gills. Did you get a spore print?