Herbarium specimen: Polygonum aviculare
| Taxon: | Polygonaceae: Polygonum aviculare L. ("Knotgrass") |
|---|---|
| Collected by: | Henry Maurice Drummond-Hay (British Ornithologists' Union) |
| Collection date: | 29/8/1873 |
| Locality: | Great Britain, VC88 Mid Perthshire, Elcho, NO1620, fields |
| Institution: | Perth Museum and Art Gallery (PTH) |
| Accession number: | PTH.1999.420.1956 |

