Observation 18622: Mycena (Pers.) Roussel
When: 2009-02-10
Herbarium specimen reported

Notes: Odor indistinct or weakly fresh-fragrant.
Taste indistinct.
Lamellae white, well-spaced, 2 tiers, attached.
Growing on wood near tanoak and madrone.
Basidia very squat with long sterigmata: Basidium 14.6 μm tall, sterigmata account for 5.6-9.7 μm of this length!
Long, aculeate and occasionally branched or knobbed lamellar cystidia. 41-61 (110) μm long.
Cheilocystidia dense at gill edge, cylindrical or more often aculeate, although some fairly branched and knobbed. 32-41 μm long.
Caulocystidia very knobby-warty, some septate, clamp connections present, amidst cellular stipitipellis.
Pileocystidia quite small, somewhat knobbed. Pilepellis a derm subtended by inflated, brown-pigmented cells.
Spores quite large (especially compared to basidia!). Fairly narrowly elliptical: 11.5 × 5.7 μm. Q = ~ 2.

Images

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Copyright © 2009 Christian F. Schwarz
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Copyright © 2009 Christian F. Schwarz
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Copyright © 2009 Christian F. Schwarz
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Copyright © 2009 Christian F. Schwarz
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Copyright © 2009 Christian F. Schwarz
Cystidia near margin.
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Copyright © 2009 Christian F. Schwarz
Cheilocystidia.
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Copyright © 2009 Christian F. Schwarz
Caulocystidia – most were much knobbier than these.
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Copyright © 2009 Christian F. Schwarz
Spore still attached to basidium – note relative sizes.

Proposed Names

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Created: 2009-02-19 02:15:45 GMT (+0000)
Last modified: 2009-02-19 02:15:45 GMT (+0000)
Viewed: 48 times, last viewed: 2016-10-23 09:36:46 BST (+0100)