Herbarium specimen: Groenlandia densa
| Taxon: | Groenlandia densa (L.) Fourr. ("Opposite-leaved Pondweed") named by James Edgar Dandy |
|---|---|
| Collected by: | Mr Thomas Kirk |
| Collection date: | 8/1849 |
| Locality: | Great Britain, VC32 Northamptonshire, River Nene at Muscott Mill, SP6263 |
| Institution: | University of Birmingham (BIRM) |
| Accession number: | BIRM.tpd.temp.1290 |
| notes: | Muscott Milldam, Northamptonshire. |

