When: 2008-07-24

Collection location: Jalisco, Mexico [Click for map]

Who: Alan Rockefeller (Alan Rockefeller)

No specimen available

cactu collection

Which Amanita is this?


Copyright © 2008 cactu
Copyright © 2008 cactu

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This mushroom is also rotten! Hence the “leaf-glove!”
By: Debbie Viess (amanitarita)
2008-07-31 14:20:22 PDT (-0700)
By: Alan Rockefeller (Alan Rockefeller)
2008-07-31 11:07:02 PDT (-0700)

Another thing that points to section Lepidella is that this mushroom smells very bad.

Not the Macrocybe pictured in this photo by Roy Halling:
By: Debbie Viess (amanitarita)
2008-07-30 23:17:26 PDT (-0700)


And this Macrocybe key and description tells of a mushroom with a smooth cap, an inrolled margin when young, and undulating cap margin at age. The stipe does show recurved scales, tho, and they ARE big. M. titans is the most likely of the pantropical species of Macrocybe, and there is no mention of a universal veil, remnants of which are shown on the cap that Allen pictures:


I’m still sticking with an amanita sec. lepidella as our most likely candidate. But I’m betting there is no voucher specimen to prove us wrong or right. The pictured material is not in the best of shape, either, and could show features created by age and stress, like the curling and cracking of the stipe.

Could it be a Macrocybe?
By: Nathan Wilson (nathan)
2008-07-30 22:21:28 PDT (-0700)

I still don’t think it’s an Amanita.

termitomyces is paleotropical (old world species)
By: Debbie Viess (amanitarita)
2008-07-30 14:35:57 PDT (-0700)

I still think that this Mexican species is a lepidella of some sort. Recurved scales on the stipe, and huge size are well within the realm of the possible in amanita. Also looks like it has free gills…

Are you collecting these, Allen?
By: Debbie Viess (amanitarita)
2008-07-30 06:23:55 PDT (-0700)

And if so, PLEASE start drying the curious ones. Course, that’ll mean traveling with a dryer, and finding a power outlet in your various primitive venues. Still, we all make sacrifices for our science!

It was a good guess by Irene (huge white rooting mushroom), but I don’t believe your mushroom to be a Termitomyces…too ponderous, thick stemed, and does appear to have remnants of a universal veil. So many amanitas, so little time…
thanks for sharing your images.

By: Irene Andersson (irenea)
2008-07-30 05:03:35 PDT (-0700)

Rooting stem.. could it be some kind of Termitomyces? There are some gigantic species among them.

Never seen anything of the sort…
By: R. E. Tulloss (ret)
2008-07-30 03:56:04 PDT (-0700)

Wow! If it’s an Amanita, then it’s probably in sect. Lepidella. Can you send me one?