Browse photos by Richard Old:
Fagopyrum
Fallopia
Persicaria
Persicaria maculosa – 8 photos
Polygonum
Polygonum aviculare – 6 photos
Polygonum majus – 3 photos
Rumex
Rumex acetosa – 10 photos
Rumex crispus – 20 photos
Rumex maritimus – 3 photos
Rumex obtusifolius – 11 photos