Photographs: Dungarvan, Co. Waterford

Curled Dock Rumex crispus subsp. littoreus Family: Polygonaceae Native. Dense seedheads, the seeds with three developed tubercles. The stems are usually less than 1m tall. Identified by Paul Green. Coastal on shingle, dunes and at the edges of salt-marshes round most of Ireland. Similar: Rumex crispus subsp. crispus is abundant on waste and cultivated ground. Rumex crispus subsp. uliginosus. On estuarine mud.

Curled Dock, Rumex crispus subsp. littoreus