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.
There is no evidence of any change in the distribution of this species since the 1962 Atlas.
Eurasian Southern-temperate element; widely naturalised outside its native range.
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
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.