A perennial herb of well-drained montane grassland and sedge-heath, of open stony ground, in corries where snow lies late, and gullies subject to flushing. From 15 m at Tressa Ness (Shetland), but generally an upland species, reaching 1305 m on Ben Macdui (S. Aberdeen).
Apart from a few pre-1930 losses, particularly in Ireland, the distribution of C. bigelowii is stable.
Circumpolar Arctic-montane element.
Light (Ellenberg): 7
Moisture (Ellenberg): 5
Reaction (Ellenberg): 2
Nitrogen (Ellenberg): 2
Salt Tolerance (Ellenberg): 0
January Mean Temperature (Celsius): 1.8
July Mean Temperature (Celsius): 12.1
Annual Precipitation (mm): 1800
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.