Herbarium specimen: Potamogeton perfoliatus
| Taxon: | Potamogeton perfoliatus L. ("Perfoliate Pondweed") confirmed by James Edgar Dandy 1962 |
|---|---|
| Filed in taxon folder: | Potamogeton perfoliatus L. ("Perfoliate Pondweed") |
| Collected by: | Rev. Augustin Ley |
| Collection date: | 20/6/1877 |
| Locality: | Great Britain, VC36 Herefordshire, Grosmont, SO42, In the Monnow, between Kentchurch and Grosmont, Heref |
| ex herb: | Rev. Augustin Ley |
| Institution: | University of Birmingham (BIRM) |
| Image: |  |
| fruits/flowers: | no flowers |
| notes: | A form coming between the type and var[iety] macrophyllus, Blytt Norges Flora p 367, It has the same thin leaves showing the ?venation strongly, but is a much smaller plant than Blytts ! 20.6.77 ?A W Benn / C W Benn |
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Documented by hallucigenia on 6th March 2010.
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