Observation 64399: Tephrocybe Donk

Notes:
Growing in douglas fir duff.

Spores mostly non-amyloid but with fine amyloid ornamentation.

Pleurocystidia looks like cheilocystidia and is usually deeply embedded in the gill. Type A: Harpoon shaped and filled with tiny (.25 micrometer) green dots. Type B: Narrowly clavate, sometimes with a rounded apex. Type C: Clavate with a narrow elongated apex.

Images

Cheilocystidia type A
Cheilocystidia type B
Cheilocystidia type C
Cheilocystidia type A and basidia
Cheilocystidia
Pleurocystidia type A
Pleurocystidia type B
Pleurocystidia type A and B
Pleurocystidia type B
Lamellar trama
Pileus trama
Pileipellis cross section
Pileipellis cross section
Pileipellis cross section
Spores 1000x
Spores 1000x in melzers

Proposed Names

-50% (4)
Recognized by sight: If there really is amyloid bumps on the spores and the cheilocystidia are really harpoon-shaped, although I have a hard time seeing that from the microphotos. Macromorphology is very off, too.
-15% (3)
Recognized by sight
Based on microscopic features: Bumps on ellipsoid spores suggest something Clitopiloid, but they shouldn’t be amyloid. Also cheilocystidia are rare in that group.
45% (3)
Recognized by sight
50% (4)
Recognized by sight

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= Observer’s choice
= Current consensus

Comments

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microscopic features
By: Jimmie Veitch (jimmiev)
2011-07-06 15:05:11 CDT (-0400)

support Tephrocybe very well in my experience

this is almost exactly what Tephrocybe palustris looked like under the scope

Yeah Tephro looks close…
By: Christian (Christian Schwarz)
2011-07-06 13:11:00 CDT (-0400)

Created: 2011-03-16 03:14:07 CST (-0500)
Last modified: 2011-07-06 15:05:42 CDT (-0400)
Viewed: 212 times, last viewed: 2020-04-21 18:48:02 CDT (-0400)
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