This slender, perennial, rhizomatous herb occurs in open, damp, grassy or marshy places, often on calcareous substrates. Habitats include wet meadows and rush-pastures, heaths, fens, springs and flushes, saltmarsh fringes flushed with fresh water, and river shingle in upland areas. 0-970 m (Beinn Heasgarnich, Mid Perth).
T. palustre is inconspicuous, and may sometimes be overlooked. It was mapped as `all records` in the 1962 Atlas. Analysis of the database reveals that the decline in S. England has taken place since 1950, owing to the loss of its habitat through drainage, agricultural intensification and a lack of grazing.
Circumpolar Boreo-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.