Rumex albescens - image Rumex acetosella - Information on Sheep Sorrel with two photographs. Rumex acetosa - Information on Common Sorrel, and photographs of flowers and fruit. Rumex longifolius - Information on Northern Dock with photographs taken in winter. Rumex crispus - Information on Curled Dock and photographs of it on the Isle of Skye. Rumex sanguineus - Several photographs of the seedheads and information on Wood Dock. Rumex obtusifolius - Photograph and information on Broad-leaved Dock. A Close-up View of Curly Dock - Photographic study by Brian Johnston of Rumex crispus, with many fine images of flowers and seeds. Rumex acetosa - Information on Garden Sorrel. Rumex acetosella - Photograph, description, distribution, ecology and economic significance of small sorrel.