Observation 31396: Lepiota rubrotinctoides Murrill
When: 2010-01-03
No herbarium specimen

Notes: Spores, smooth, dextrinoid, ellitical to amygdaliform 7-8.5µm x 4-5µm

Growing under Coast live oak ( Quercus agrifolia)

[admin – Sat Aug 14 01:58:21 +0000 2010]: Changed location name from ‘Bear Creek Trail, Briones Reservoir, Contra Costa County, California, USA’ to ‘Bear Creek Trail, Briones Reservoir, Contra Costa Co., California, USA

Images

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72616
72617
Spores in water at 1000x
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Spores at 1000x showing dextrinoid reaction (reddish) in Melzer’s reagent.

Proposed Names

28% (1)
Eye3
Recognized by sight: Superior annulus, larger cap was 7-8 cms across
Based on microscopic features: Spores, smooth, dextrinoid, ellitical to amygdaliform 7-8.5µm x 4-5µm
55% (4)
Eye3
Recognized by sight: Radially splitting pinkish-red to pinkish brown fibers, dark disc, free white gills, superior membranous annulus, no volva
57% (1)
Eyes3
Recognized by sight: West coast distribution, cap without scales
Used references: http://www.mykoweb.com/...
Based on microscopic features: Small spore size

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

Add Comment
Looks like you’re probably right, but as always, pending publication…
By: Christian (Christian Schwarz)
2010-01-03 16:27:33 CST (-0500)
What separates L. rubrotinctus from rubrotinctoides?
By: Richard Sullivan (enchplant)
2010-01-03 15:47:21 CST (-0500)

Isn’t rubrotinctus the east coast version?

Created: 2010-01-03 08:19:52 CST (-0500)
Last modified: 2011-09-21 11:34:38 CDT (-0400)
Viewed: 60 times, last viewed: 2016-10-27 00:31:32 CDT (-0400)
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