A perennial herb of open or shaded habitats, preferring fertile soils and found in damp woodland, woodland rides, hedge banks, ditches and riversides, and sometimes in drier sites on waste ground. Generally lowland, but reaching 480 m at Angle Tarn, Patterdale (Westmorland).
The distribution of S. nodosa is stable.
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.