Observation 215070: Helminthosphaeria clavariarum (Desm.) Fuckel

When: 2015-08-22

Collection location: PA State Game Lands 211, Dauphin Co., Pennsylvania, USA [Click for map]

40.5261° -76.5374°

Who: Linda Brynan Sears (lkbsearsff)

Specimen available

Notes:
Ecology: Found parasitizing Clavulina cristata which was growing terrestrially under conifers; in clusters; near numerous groups of Spathulariopsis velutipes.

Dark gray surfaces with distinct perithecia covering most fruiting bodies.

(My apologies for the microscopic photos. I am in the process of obtaining an improved image capturing system.)

Images

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Clavulina cristata spores on branch tips which did not appear to have been parasitized.
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Helminthosphaeria clavariarum Coniodophores and conidia.

Proposed Names

83% (1)
Eye3 Eyes3
Used references: Mushroomexpert.com
Based on microscopic features: Spores, Coniodophores and conidia

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2015-09-02 09:39:19 PDT (-0700)
Last modified: 2015-09-02 09:56:57 PDT (-0700)
Viewed: 11 times, last viewed: 2017-06-20 14:23:15 PDT (-0700)
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