A perennial, stoloniferous herb found in boggy ground in woods, by streamsides, on wet rocks and mountain ledges, cliffs and gullies, usually in shade and usually with a supply of alkaline water. It is also found in montane, bryophyte-dominated flushes. 0-915 m (Ben Lawers, Mid Perth).
This species is much better recorded than in the 1962 Atlas. The decline in East Anglia and the English S.W. Midlands had taken place before 1930.
Circumpolar Wide-boreal 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.
Atlas text references
References: Atlas (139d)
1986. Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Jalas & Suominen (1999)
1965. Vergleichende Chorologie der zentraleuropäischen Flora. Volume 1. 2 vols.