Suaeda maritima

Tracheophyta MagnoliopsidaChenopodiaceaeSuaedaSuaeda maritima


An annual found in the middle and lower parts of saltmarshes, often with Salicornia species. It is an early colonist of intertidal mud- and sand-flats, sometimes also occurring higher up in salt-pans and drift-lines, on shell and shingle banks, and in thinly vegetated brackish areas behind sea-walls. Lowland.



World Distribution

Eurasian Southern-temperate element; widely naturalised outside its native range.

Broad Habitats

Littoral sediment (includes saltmarsh and saltmarsh pools)

Light (Ellenberg): 9

Moisture (Ellenberg): 8

Reaction (Ellenberg): 8

Nitrogen (Ellenberg): 6


Salt Tolerance (Ellenberg): 7

January Mean Temperature (Celsius): 4.3

July Mean Temperature (Celsius): 14.9

Annual Precipitation (mm): 1094

Life form information

Height (cm): 30

Perennation - primary


Life Form - primary

Therophyte (annual land plant)



Clonality - primary

Little or no vegetative spread

Distribution information

Count of 10km squares in Great Britain: 525

Count of 10km squares in Ireland: 141

Count of 10km squares in the Channel Isles: 6

Atlas Change Index: -0.47

Weighted Changed Factor: -2

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

References: Atlas (85d)
Adam P
1990.  Saltmarsh ecology.
Chapman (1947a)
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Jalas & Suominen (1980)