Horsetail Knotweed
Polygonum equisetiforme
![](https://www.eastlondonnature.co.uk/wp-content/uploads/2022/09/1330899946_MG_6717HorsetailKnotgrass-scaled.jpg)
![](https://www.eastlondonnature.co.uk/wp-content/uploads/2022/09/1330899972_MG_6717HorsetailKnotgrass2.jpg)
- Type: Flowering Plant
- Family: Polygonaceae
- Genus: Polygonum
- Species: equisetiforme
- Colour: White
- Habitat: Sand Dunes
- Habitat: Scrubland
- Habitat: Waysides
- Site:Odeceixe
- Site:Portugal
- Month:June
- Photographer:DW