Wahlenbergia hederacea

Tracheophyta MagnoliopsidaCampanulaceaeWahlenbergiaWahlenbergia hederacea


A small, low-growing perennial herb found in damp, wet or boggy places on acidic soils, occurring on heaths, heathy pastures, moors, open woodland and Salix carr, and by streams and in flushes. In Ireland, it is most frequent beside streams and is absent from pastures. It prefers areas with moving, rather than standing, water. 0-485 m (Killakee, Co. Dublin).



World Distribution

Oceanic Southern-temperate element.

Broad Habitats

Light (Ellenberg): 6

Moisture (Ellenberg): 8

Reaction (Ellenberg): 3

Nitrogen (Ellenberg): 3


Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 4.1

July Mean Temperature (Celsius): 14.9

Annual Precipitation (mm): 1280

Life form information

Height (cm): 5

Perennation - primary


Life Form - primary




Clonality - primary

Extensively creeping and rooting at nodes

Distribution information

Count of 10km squares in Great Britain: 314

Count of 10km squares in Ireland: 40

Count of 10km squares in the Channel Isles: 3

Atlas Change Index: -0.3

Weighted Changed Factor: 22

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