An annual or a short-lived perennial herb, capable of two or three generations in a year, found in a wide range of disturbed habitats, especially in nutrient-enhanced conditions. It is a conspicuous weed of gardens or crops, also found on manure heaps, in sewage works, on walls, and often in recently established plantations. It is also a characteristic plant of coastal strand lines and sea-bird rocks. 0-950 m (Mt Brandon, S. Kerry).
There seems to have been little change in the range of S. media since the 1962 Atlas.
Eurasian Wide-temperate element, but naturalised in N. America so distribution is now Circumpolar Wide-temperate.
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
1988. Comparative Plant Ecology.
1986. Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Jalas & Suominen (1983)
1981. Biological Flora of the British Isles. No. 150. Stellaria media (L.) Vill. Journal of Ecology. 69:311-335.
1980. The biology of Canadian weeds. 42. Stellaria media (L.) Vill. Canadian Journal of Plant Science. 60:981-992.