Herbarium specimen: Potamogeton gramineus
| Taxon: | Potamogeton gramineus L. ("Various-leaved Pondweed") named by Christopher David Preston |
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| Collected by: | Nicholas F Stewart |
| Collection date: | 13/7/1988 |
| Locality: | Great Britain, VC87 West Perthshire, Lochan an Eireannaich, NN514243, west side |
| Institution: | Perth Museum and Art Gallery (PTH) |
| Accession number: | PTH.2002.5.15 |
