Polygonaceae
Alpine Bistort (Bistorta vivipara) Olaf Leillinger (CC BY-SA 2.5)
Reynoutria sachalinensis wikimedia commons
Rumex Gunvor Hustoft (2015-06-19)
Northern Dock (Rumex longifolius) Gunvor Hustoft (2015-06-19)
Common Sorrel (Rumex acetosa) Siri Skoglund (2013-06-06)
Rumex crispus Siri Skoglund (2013-06-19)
Reynoutria japonica