An annual of open habitats on well-drained, mainly sandy or gravelly soils, including dry grassland, hedge banks, roadsides, sea-walls, waste ground, gravel-pits and arable fields. Lowland.
Although many sites for A. caucalis were lost before 1930, especially in S. England, its distribution has stabilised since the 1962 Atlas. Most losses were due to changes in agricultural practices and land use.
European Temperate element.
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.