Observation 117014: Patellaria atrata (Hedw.) Fr.

When: 2012-11-16

Collection location: Davis, California, USA [Click for map]

Who: Byrain

Specimen available

Notes:
Found growing on two woodchips out of many after it rained, very small!

8 spores per ascus, spores with 8-10 septations, one seen with 7, most were 10. The asci were 100+ μm and was difficult to measure accurately. The paraphyses are amyloid.
Spore range = (37) 38 – 53 (57) x 7 – 8 (9) μ
Average spore = 43.9 × 7.65 μ
Q range = 4.88 – 7.57
Average Q = 5.77
20 spores measured.

Images

283406
283407
283408
100x, mounted in KOH
283409
400x, mounted in KOH
283410
Spores, 1000x, mounted in KOH, 1μ divisions
283411
Spores
283412
Mature & immature asci
283413
Immature asci
283414
Paraphyses, 1000x, mountd in KOH
283415
Spores
283416
100x, hyphae amyloid, asci and spores not reacting.

Proposed Names

28% (1)
Recognized by sight
Based on microscopic features
85% (1)
Eye3 Eyes3
Recognized by sight
Based on microscopic features

Please login to propose your own names and vote on existing names.

Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

Add Comment
post it to AscoFrance
By: Danny Newman (myxomop)
2012-11-17 12:35:52 CET (+0100)

and while you’re at it, try and entice one or more of their senior membership to mosey our way.

Created: 2012-11-17 09:45:34 CET (+0100)
Last modified: 2012-11-23 20:24:26 CET (+0100)
Viewed: 184 times, last viewed: 2018-04-21 22:40:15 CEST (+0200)
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