An annual of nutrient-rich mud around the dried-up margins of freshwater or brackish ponds and ditches trampled by livestock; also, more widely, in cultivated and waste ground, on manure heaps and farm tracks and in field gateways. Lowland.
There has been a marked increase in the distribution of this mobile species since the 1962 Atlas, particularly in East Anglia, C.S. England, S.W. Scotland and Ireland.
Eurosiberian Temperate element; also present as a native in western N. America and widely naturalised so that the distribution is now Circumpolar 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 (1980)
1969. Biological Flora of the British Isles. No. 117. Chenopodiunn rubrum L. Journal of Ecology. 57:831-841.