Rumex skottsbergii
- Several photographs of this species growing in its natural rocky habitat in Hawaii.
- http://jupiternielsenflameworking.com/hawaiianflora/rumex_skottsbergii.html

A Close-up View of Curly Dock
- Photographic study by Brian Johnston of Rumex crispus, with many fine images of flowers and seeds.
- http://www.microscopy-uk.org.uk/mag/artjun07/bj-dock.html

Rumex obtusifolius
- Photograph and information on Broad-leaved Dock.
- http://www.plant-identification.co.uk/skye/polygonaceae/rumex-obtusifolius.htm

Rumex sanguineus
- Several photographs of the seedheads and information on Wood Dock.
- http://www.plant-identification.co.uk/skye/polygonaceae/rumex-sanguineus.htm

Rumex crispus
- Information on Curled Dock and photographs of it on the Isle of Skye.
- http://www.plant-identification.co.uk/skye/polygonaceae/rumex-crispus.htm

Rumex longifolius
- Information on Northern Dock with photographs taken in winter.
- http://www.plant-identification.co.uk/skye/polygonaceae/rumex-longifolius.htm

Rumex acetosa
- Information on Common Sorrel, and photographs of flowers and fruit.
- http://www.plant-identification.co.uk/skye/polygonaceae/rumex-acetosa.htm

Rumex acetosella
- Information on Sheep Sorrel with two photographs.
- http://www.plant-identification.co.uk/skye/polygonaceae/rumex-acetosella.htm

Rumex albescens
- image
- http://www.botany.hawaii.edu/faculty/carr/images/rum_alb.jpg