Observation 188881: Leucoagaricus Locq. ex Singer
When: 2014-11-06
No herbarium specimen

Notes: May be the same species as obs 188616.

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The description doesn’t mention pseudorhiza
By: Ron Pastorino (Ronpast)
2014-11-18 22:14:04 EST (-0500)

but I’m not sure that really excludes it as a possibility.
Also the description for L. erythrophaeus seems fairly close from what I can see.
What specifically looks different…even just using the MykoWeb photos as the standard?

.
By: Erin Page Blanchard (CureCat)
2014-11-18 19:07:37 EST (-0500)

That’s bizarre. Good to know. These photos were taken the day after I picked them, and the staining was just as strong as when I picked them. The older one never showed any staining, but as you can see, the stipe was discoloured brownish and seemed much dryer than the other two.

Staining
By: Christian (Christian Schwarz)
2014-11-18 17:17:59 EST (-0500)

I have found that in some red/orange staining Leucoagaricus, I can get them to stain quite intensely if they are still in the ground, but even seconds after picking them, the intense staining is much harder to reproduce…

Reminds me of the fleeting colors of certain scombrid fish – when hauled out of the water, they show this amazing iridescence that vanishes super quickly.

.
By: Erin Page Blanchard (CureCat)
2014-11-18 16:25:13 EST (-0500)

If I had to guess, I’d say that despite the lack of staining and slightly larger spore size in obs 188616 compared with obs 188504, these are all the same thing.

In this observation, the mushroom on the left is more mature. The stipe had become darker brownish with age, and the cap was also more brown compared with the younger specimens, and it did not stain rapidly like the other two. But slow or absent staining is not unusual as a mushroom ages, across many genera.

I think your two observations represent different stages of maturity of the same species. But of course, that is just a hunch.

Lastly, I just checked out Mike and Fred’s photos of L. erythrophaeus on Mykoweb, and they look VERY different from any of these three observations… I mean, is L. erythrophaeus supposed to have a pseudorhiza? Because these undeniably, do. The ones I collected were so long I couldn’t even get the entire stipe.

These do look similar to my MO#188616
By: Ron Pastorino (Ronpast)
2014-11-18 09:07:45 EST (-0500)

and your location was very close to where I found them.
However, based on the staining, and I would think they were more likely a match with my MO#188504, which I am calling Leucoagaricus erythrophaeus.
They were also found in the same area and perhaps are all the same species.
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Created: 2014-11-18 02:09:25 EST (-0500)
Last modified: 2014-11-18 02:09:31 EST (-0500)
Viewed: 57 times, last viewed: 2017-06-19 09:32:03 EDT (-0400)
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