Observation 68929: “Discomycetes” Sacc.
When: 2011-06-10
(45.0° 121.0° )
Herbarium specimen reported

Notes: Tiny orange-brown cups (1-2 cm) were growing on damp soil in mixed woods. No noticeable hairs on cup margin or exterior. Minute central stipe. No odor. Spores thick-walled, smooth, no oil, drops 14-16×7-9 microns. Asci 200-250 microns x 10 microns. Paraphases thin, 2-4 microns wide. Lower part of ascus a bit dextrinoid in Melzer’s

Proposed Names

13% (2)
Eye3
Based on microscopic features: spores eliptical, smooth, 14-16 x7-9 microns, 8-spored, non-amyloid; Paraphases narrow, 2-4 microns wide
Based on chemical features: unreactive to KOH and FeSO4. Base of asci a bit dextrinoid in Melzer’s
42% (3)
Recognized by sight
56% (1)
Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Maybe it is G. vulcanalis but I was not convinced earlier for reasons below
By: Michael Beug (beugm)
2011-06-11 20:23:16 PDT (-0700)

G. vulcanalis is the closet I was able to come but I had rejected that name because the spores seeemed a bit short (7-9 microns) versus 8-11 microns for G. vulcanalis and the spores were not narrowed on the ends. Also the G. vulcanalis I have found in the past had a sulfur odor and this material did not. Finally, the margin of the cup did not look typical for G. vulcanalis. However, it could be that this material was older than what I have looked at previously.
Does anyone have other ideas or have experience with multiple collectionsof G. vulcanalis that had no odor even when crushed?.

Created: 2011-06-10 22:25:23 PDT (-0700)
Last modified: 2012-10-03 00:03:21 PDT (-0700)
Viewed: 65 times, last viewed: 2016-03-30 01:46:06 PDT (-0700)
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