Triglochin palustre

Tracheophyta MagnoliopsidaJuncaginaceaeTriglochinTriglochin palustre


This slender, perennial, rhizomatous herb occurs in open, damp, grassy or marshy places, often on calcareous substrates. Habitats include wet meadows and rush-pastures, heaths, fens, springs and flushes, saltmarsh fringes flushed with fresh water, and river shingle in upland areas. 0-970 m (Beinn Heasgarnich, Mid Perth).



World Distribution

Circumpolar Boreo-temperate element.

Broad Habitats

Fen, marsh and swamp (not wooded)

Light (Ellenberg): 8

Moisture (Ellenberg): 9

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 2


Salt Tolerance (Ellenberg): 2

January Mean Temperature (Celsius): 3.4

July Mean Temperature (Celsius): 14.2

Annual Precipitation (mm): 1145

Life form information

Height (cm): 55

Perennation - primary


Life Form - primary




Clonality - primary

Rhizome far-creeping

Comment on Clonality

rhizomes long (CTW)

Distribution information

Count of 10km squares in Great Britain: 2196

Count of 10km squares in Ireland: 714

Count of 10km squares in the Channel Isles: 5

Atlas Change Index: -0.22

Weighted Changed Factor: -21

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