BioImages: The Virtual Field-Guide (UK)
Nectria (Fr.) Fr., 1849 (a genus of pyrenomycetes)
| Date: | 10 September 2006 |
| Location: | Berks, England |
| Voucher: | 10/09/2006[B] (Please quote this in any queries about this record) |
| State: | Fruitbody |
| Record Summary: | Scattered perithecia on dead, wet, decaying Bogbean rhizome at edge of pond |
| Associated organism: | on dead, wet, decaying rhizome of Menyanthes trifoloiata |
| Identification Notes: | Growing with Volutella ciliata. Perithecia: red-brown, 0.37mm diam, with pointed apex. Perithecial wall: with inflated cells up to 25µm. Asci: 8-spored, cylindric; apex simply shallowly invaginated, not staining in iodine.. Ascospores: broadly fusiform, septate, 16-20/5.5-7.5µm, no sign of striations; when immature the spores are slightly girdled rather than waisted at the septum. Nectria mammoidea appears closest, but substrate too soft. |
Images etc
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Perithecia - in situ - magnified | 500 by 369 pixels | ||
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Perithecia - in situ - magnified | 500 by 310 pixels | ||
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Asci - magnified | 500 by 333 pixels | ||
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Asci - magnified | 500 by 422 pixels | ||
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Ascospores - magnified | 500 by 271 pixels | ||
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Ascospores - highly magnified | 500 by 156 pixels | ||
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Ascospores in asci - highly magnified | 500 by 339 pixels | ||
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Ascus tip - highly magnified | 32 Kb | 464 by 313 pixels | |
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Ascus tips - highly magnified | 500 by 375 pixels | ||
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Perithecial wall - magnified | 500 by 333 pixels | ||
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Perithecial wall and ostiole - magnified | 500 by 333 pixels |
