Herbarium specimen: Potamogeton perfoliatus x crispus = P. x cooperi
| Taxon: | Potamogeton perfoliatus x crispus = P. x cooperi (Fryer) Fryer ("Cooper's Pondweed") named by George Taylor & James Edgar Dandy |
|---|---|
| Collected by: | Mr Alfred Fryer |
| Collection date: | 31/8/1892 |
| Locality: | Great Britain, VC58 Cheshire, River Dee 12 miles above Chester |
| Institution: | University of Birmingham (BIRM) |
| Accession number: | BIRM.tpd.temp.2192 |
| notes: | Cultivated root from the River Dee 12 miles above Chester. |
