Observation 161062: Pleospora herbarum (Pers.) Rabenh.

When: 2014-03-05

Collection location: Hillsboro, Washington Co., Oregon, USA [Click for map]

Who: Sava Krstic (sava)

Specimen available

Found in community vegetable garden (Intel Jones Farm campus), growing on dead central stem of a large onion plant. The stem is about 1 m long and 12 mm thick.

Asci 160-200×28-30. Spores ~35×15, with 7 transverse and 1-3 longitudinal septa.

“This is probably the commonest of all ascomycetes growing on dead herbaceous stems” [Ellis&Ellis].

Proposed Names

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By: Sava Krstic (sava)
2014-03-09 05:13:23 CDT (-0400)

Thanks! I’m using a (3 years old now) cheap AmScope and an 1.5MP AmScope camera. This slide was prepared in IKI (Lugol’s).

By: Hunter hunter
2014-03-09 04:25:53 CDT (-0400)

Great microscopy! What kind of scope and goodies ya using?

Created: 2014-03-09 04:18:15 CDT (-0400)
Last modified: 2014-03-09 04:18:25 CDT (-0400)
Viewed: 57 times, last viewed: 2018-03-15 03:58:51 CDT (-0400)
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