Observation 189112: Leucoagaricus Locq. ex Singer

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By: else
2014-11-22 00:21:56 EST (-0500)

There are a few species in Leucoagaricus that have a volva – and all the other characters look very lepiotaceous.

Very interesting, Danny.
By: R. E. Tulloss (ret)
2014-11-21 23:07:09 EST (-0500)


By: Danny Newman (myxomop)
2014-11-21 19:50:08 EST (-0500)

for discussion on UV and PV possessing Agaricaceae. Else should really weigh in on both obs.

Thank you ret
By: Susanne Sourell (suse)
2014-11-21 14:37:45 EST (-0500)

…for looking into this. Please note that I found two other similar mushrooms in different places in Manu N.P. , which will be posted on MO soon. One had a very well developed volva. But all of them could be lepiotaceous fungi indeed…

I will try to contact Dr. Vellinga. This is very interesting.

By: R. E. Tulloss (ret)
2014-11-20 22:30:55 EST (-0500)

The ring seems to have two projecting rims, one at the top and one below. The short gills are very variable in form, but rarely truncate (hence, very atypical of sections Caesareae and Vaginatae). I don’t see any gill edge tissue remaining on the upper stem despite the apparent decoration of the gill edges. The cap surface breaking up strikes me as something that is more likely to happen in lepiotaceous (sensu lato) fungi than in Amanita. The saccate stem base is known (although I don’t know the exact form taken) in lepiotaceous fungi.

Maybe Else Vellinga would be willing to take a look at this and give an opinion.

Whatever this is, it is a cool, “sub-minimalist” mushroom.

Very best,


Created: 2014-11-20 15:25:49 EST (-0500)
Last modified: 2014-11-23 13:25:20 EST (-0500)
Viewed: 55 times, last viewed: 2016-10-24 08:03:22 EDT (-0400)
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