Observation 349597: Byssosphaeria schiedermayeriana (Fuckel) Barr

When: 2018-11-30

Collection location: The Ohio State University, Columbus, Ohio, USA [Click for map]

40.0036° -83.0156°

Who: Django Grootmyers (heelsplitter)

Specimen available

Notes:
Growing gregariously on a Vinca minor twig. Pseudothecia covered in hairs with orange ostioles. All structures inamyloid. Filiform paraphyses or pseudoparaphyses present. Asci bitunicate and 8-spored. Spores brown and smooth at maturity and covered with a gel coating. Initinally with 1 transverse septum in the middle with a strong constriction. At least some spores devloping 2 more transverse septa. Spore measurements from Piximetre: (25.2) 28 – 32.6 (33.6) × (4.9) 5.8 – 7.2 (8.2) µm, Q = (3.6) 4.1 – 5.5 (6.3); N = 30, Me = 30.4 × 6.4 µm; Qe = 4.8
Individual spores: 27.94 × 5.64 µm, 31.62 × 6.71 µm, 30.91 × 4.89 µm, 32.05 × 7.01 µm, 32.59 × 6.19 µm, 28.79 × 5.76 µm, 29.20 × 5.92 µm, 33.57 × 6.07 µm, 32.46 × 5.78 µm, 29.61 × 6.39 µm, 30.12 × 7.40 µm, 27.47 × 7.20 µm, 30.47 × 7.04 µm, 25.24 × 7.08 µm, 29.36 × 6.53 µm, 30.32 × 5.85 µm, 30.92 × 6.81 µm, 30.30 × 5.86 µm, 32.88 × 6.48 µm, 33.08 × 6.70 µm, 27.98 × 6.23 µm, 31.55 × 6.10 µm, 30.54 × 8.24 µm, 29.78 × 6.16 µm, 29.51 × 6.45 µm, 31.56 × 5.91 µm, 31.54 × 6.07 µm, 31.66 × 7.21 µm, 29.69 × 6.40 µm, 29.51 × 5.35 µm

Images

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DSC_6656 edit crop.jpg
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2018-12-04-14.10.35 ZS PMax edit crop.jpg
975644
DSC_6839 40x.JPG
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DSC_6840 40x.JPG
975646
DSC_6843 Hairs at 100x in Melzers.JPG
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DSC_6848 Pigment from ostiole area at 400x in Melzers.JPG
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DSC_6850 Hairs and spore with gel coating at 400x in Melzers.JPG
975649
DSC_6883 Spores, asci and hairs at 400x in Melzers.JPG
975650
DSC_6886 Hairs and spores at 400x in Melzers.JPG
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DSC_6887 Hairs at 400x in Melzers.JPG
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DSC_7036 100x in NH4OH (2 drops), congo red (1 drop) and phloxine (1 drop).JPG
975653
DSC_7041 Spores and asci at 400x in NH4OH (2 drops), congo red (1 drop) and phloxine (1 drop).JPG
975654
DSC_7051 Spores, asci and paraphyses at 400x in NH4OH (2 drops), congo red (1 drop) and phloxine (1 drop).JPG
975655
DSC_7052 Spores, asci and paraphyses at 400x in NH4OH (2 drops), congo red (1 drop) and phloxine (1 drop).JPG
975658
DSC_7064 Spores, asci and paraphyses at 400x in NH4OH (2 drops), congo red (1 drop) and phloxine (1 drop).JPG
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20181130_160825.jpg

Proposed Names

57% (1)
Eye3 Eyes3
Used references: Dennis, R. W. G. (1978). British ascomycetes. J. Cramer..
Barr, M. E. (1984). Herpotrichia and its segregates [Fungi, description]. Mycotaxon (USA).

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2018-12-06 21:23:48 PST (-0800)
Last modified: 2018-12-06 21:27:50 PST (-0800)
Viewed: 8 times, last viewed: 2018-12-07 21:13:19 PST (-0800)
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