Observation 191683: Psathyrella conissans group
When: 2014-10-10
No herbarium specimen

Notes: -This specimen was associated with the soil, and it was found growing gregariously and scattered around the area.
-It had a faint/mild smell.
-Different sized samples were collected, but the sample that was believed to be the most mature was measured. The diameter was about 2.5 cm.
-The surface of the pileus was smooth, dry, and dull.
-The shape of the immature sample was broadly parabolic, but the more mature forms were more convex.
-The dark orange brown cap’s margins were smooth and not lined.
-The flesh was white.
-The pale orange stipe was centrally located. It was about 4.3 cm in length and 0.4 cm in width.
-When it was cut in half, the stipe was solid and equal shaped.
-The surface of the stipe was dull, dry, and smooth.
-The base was inserted.
-The light apricot colored gills were adnexed and even. It appeared to have two lamallae tiers.
-The spore print was white. Under 40x magnification, the spores looked like they were jelly bean shaped. Also, I was able to find cystidia that might be considered “fusiform”.
-Another thing to note was the white web-like material that covered the gills of the immature form.

Images

488593
Mb77.3.jpg
Mature form
488594
Mb77.4.jpg
Mature form gills
488595
Mb77.2.jpg
Immature forms
488596
Mb77.jpg
Immature forms associated with soil
488597
Mb77.6.jpg
Web-like material covering the gills of the immature form
488598
Mb77 spores.jpg
Smooth, Jelly bean shaped spores (40x)
488599
MB77 cystidia.jpg
Fusiform cystidia (40x)

Proposed Names

56% (1)
Recognized by sight
83% (1)
Recognized by sight
85% (1)
Eyes3
Recognized by sight
2% (2)
Recognized by sight
81% (1)
Eye3
Recognized by sight: http://www.first-nature.com/...
Used references: DNA sequencing and blast scores

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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White spores?
By: walt sturgeon (Mycowalt)
2014-12-04 19:18:58 EST (-0500)

The gill color and aspect suggest a Psathyrella in the Psathyrella conissans group. These have ruddy colored spores.

Created: 2014-12-04 17:15:27 EST (-0500)
Last modified: 2014-12-15 13:45:17 EST (-0500)
Viewed: 42 times, last viewed: 2016-10-27 20:14:03 EDT (-0400)
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