Pedicularis palustris

Tracheophyta MagnoliopsidaScrophulariaceaePedicularisPedicularis palustris


An annual to biennial root-hemiparasitic herb of a wide range of base-rich to acidic, moist habitats, including wet heaths, valley bogs, wet meadows, ditches, fens and hillside flushes. Its sites are usually more enriched than those preferred by P. sylvatica. 0-550 m (E. Highlands of Scotland).



World Distribution

European Boreo-temperate element.

© P. Shannon

Broad Habitats

Fen, marsh and swamp (not wooded)

Light (Ellenberg): 8

Moisture (Ellenberg): 8

Reaction (Ellenberg): 5

Nitrogen (Ellenberg): 2


Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.3

July Mean Temperature (Celsius): 14

Annual Precipitation (mm): 1226

Life form information

Height (cm): 60

Perennation - primary

Biennial, including monocarpic perennials

Life Form - primary




Clonality - primary

Little or no vegetative spread

Distribution information

Count of 10km squares in Great Britain: 1744

Count of 10km squares in Ireland: 583

Count of 10km squares in the Channel Isles: 1

Atlas Change Index: -0.88

Weighted Changed Factor: -16

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

Atlas (233a)
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Meusel H, Jäger E, Rauschert S, Weinert E
1978.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 2. 2 vols.