Carex pulicaris

Tracheophyta MagnoliopsidaCyperaceaeCarexCarex pulicaris


A perennial herb of damp or wet neutral or calcareous soils, and of more acidic soils where these are flushed by mineral-enriched groundwater. Habitats include short-sedge mires, damp meadows and pastures, fen-meadows, wet heaths, flushes and springs, montane rock ledges and Dryas heath. It also occurs, albeit rarely, on N.-facing slopes in chalk and limestone districts. 0-915 m (Macgillycuddy`s Reeks, S. Kerry, and W. Ross).



World Distribution

Suboceanic Temperate element.

© G. Toone, IWNHAS

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 7

Reaction (Ellenberg): 5

Nitrogen (Ellenberg): 2


Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.3

July Mean Temperature (Celsius): 13.9

Annual Precipitation (mm): 1239

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: 1874

Count of 10km squares in Ireland: 656

Count of 10km squares in the Channel Isles: 4

Atlas Change Index: -0.51

Weighted Changed Factor: -3

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