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| Record Summary | in shallow rock pool on mid shore |
| Found as | |
| Date | 4 July 2008 |
| OS grid ref | OSGR: TA08 |
| Lat/Lon | 54° 20’ N, 0° 20’ W |
| Vice County | North-east Yorks, VC no: 62 |
| Country | England |
Notes:
Thallus sparsely branched, elliptical to circular in section, tubular, with mucilage-filled central lumen. Nerve absent.
Outer layer: cells 7-12µm diam, with parietal chloroplasts.
Mid layer: tetraspores 40-65µm diam, cruciate, in matrix of cells similar to above but larger, ≤30µm.
Inner layer: with hyaline thin-walled filaments, 8-15µm diam, septate, branched, enlarged at branching points ≤30µm, with intermixed commensal diatoms.
The following literature was used to identify this find:
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Click on a thumbnail to see the preview, then click on that for the full-sized image
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