This rhizomatous species is found in wet meadows and marshes, fens, by ditches and streams, on the margins of lakes and ponds, and occasionally in dune-slacks. It almost invariably grows in well-illuminated sites, particularly on base-enriched substrates, and favours areas with a fluctuating water table. Generally lowland, but reaching 455 m on Windburgh Hill (Roxburghs.).
C. disticha has declined in many areas of England since the 1962 Atlas because of drainage, although it can be easily overlooked, especially when it is present only as scattered non-flowering shoots.
Eurosiberian Temperate element.
PLANTATT - Attributes of British and Irish plants. (.zip 1455KB) This dataset was compiled and published in 2004, and last updated in November 2008. Download includes an Excel spreadsheet of the attributes, and a PDF explaining the background and nomenclature. Note that the PDF version is the booklet as published, whereas the Excel spreadsheet incorporates subsequent corrections. A hardcopy can be purchased from the Centre for Ecology and Hydrology.