Observation 108312: Pluteus Fr.
When: 2012-09-02
No herbarium specimen

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Great story Tatiana, Thanks!
By: Martin Livezey (MLivezey)
2012-09-05 12:11:30 CDT (-0500)
Interesting! Probably a mycoparasite
By: Tatiana Bulyonkova (ressaure)
2012-09-05 06:46:32 CDT (-0500)

affecting a Pluteus cervinus s.l.

We found a similar, even more regularly ornamented Pluteus in the Teberda biosphere nature reserve a week ago, but in that case the affected species was P. atromarginatus. The regular scales, almost Amanita-muscaria-like, fooled everyone into thinking it was a new species at first; there was also some white mycelial covering on the lower part of the stem, something you’d expect from an Entoloma. The mycoparasite version appeared when we found a Russula laurocerasi with a well-developed white “volva” and “volval” remnants on the cap (it also looked very authentic and fooled me into thinking it was an Amanita!).

So probably it’s some sort of imperfect fungus that forms a mycelial “shell” around developing fruitbodies without affecting the normal development.

Just a version.

Didn’t find any
By: Dmitriy Bochkov (convallaria)
2012-09-04 08:43:46 CDT (-0500)

only even younger ones. The amanitoid-looking something on the cap made me think it would be rather easy to identify (but could it be a parasite? It was observed only on the largest one). The gill shot is of another fruit body.

By: Martin Livezey (MLivezey)
2012-09-03 21:12:30 CDT (-0500)

I don’t think we have this species around here! Did you cut a section through it?
…any older specimens for comparison? Thanks for this strange post.

Created: 2012-09-03 09:17:12 CDT (-0500)
Last modified: 2012-09-03 09:17:15 CDT (-0500)
Viewed: 53 times, last viewed: 2016-10-22 14:40:47 CDT (-0500)
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