Observation 116215: Psathyrella corrugis (Pers.) Konrad & Maubl.
When: 2012-10-20
No herbarium specimen

Notes: Large crowded group of small brown mushrooms growing on wood-chips.
Damp caps up to about 3 cm across, brown, conical with radial lines, white at margin. Changed to lighter brown as the caps dried from the centre.
Brown/grey adnate gills with pinkish edges, about 20 met stem with several tiers of shorter intermediate gills.
Stem 7 cm x 3 mm, hollow, brittle, silky off-white with woolly fibres at base.
Black spore print.
Spores were smooth, oval, brown in Melzer’s (dextrinoid), thick-walled, large apical germ pore, 11-13 × 5.5-7 microns (40 spores measured).
Pleurocystidia were 32-38 × 11-12 microns (only 2 measured).
Cheilocystidia (utriform/lageniform) were 20-25 × 8-10 microns (7 measured).

Proposed Names

60% (2)
Eye3 Eyes3
Recognized by sight: Pink edge to gills
Used references: Andreas Melzer’s key to Psathyrella (http://www.vielepilze.de/selten/psat/key/ekey.pdf)
Based on microscopic features: Spores, cystidia..

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
By: Byrain
2014-02-12 23:15:55 PST (-0800)

I see how you got there now and it actually even looks promising, however Part G of the key is very confusing & headache inducing…

Is it possible you could add your additional gill close ups showing the pinkish gills to this observation? :)

How I ID’d Psathyrella corrugis…
By: Martin Cooper (martincito)
2014-02-12 01:04:21 PST (-0800)

To be honest, I’m never confident about identifying any fungus apart from a nice fresh Amanita muscaria, but the account of my ID of this example is recorded here: http://www.wildaboutbritain.co.uk/...
Best wishes,

How did you come up with Psathyrella corrugis?
By: Byrain
2014-02-11 22:37:49 PST (-0800)

I tried the key & I came up with P. magnispora, but I’m not entirely convinced of that…

Created: 2012-11-09 07:53:06 PST (-0800)
Last modified: 2014-02-12 23:14:01 PST (-0800)
Viewed: 209 times, last viewed: 2017-08-12 18:35:00 PDT (-0700)
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