Carex bigelowii

Tracheophyta MagnoliopsidaCyperaceaeCarexCarex bigelowii


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).



World Distribution

Circumpolar Arctic-montane element.

Broad Habitats

Montane habitats (acid grassland and heath with montane species)

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

Life form information

Height (cm): 30

Perennation - primary


Life Form - primary




Clonality - primary

Rhizome shortly creeping

Distribution information

Count of 10km squares in Great Britain: 402

Count of 10km squares in Ireland: 42

Count of 10km squares in the Channel Isles: 0

Atlas Change Index: -0.2

Weighted Changed Factor: 0

Weighted Change Factor Confidence (90%)


Distribution information

JNCC Designations


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