A scrambling annual of rough and disturbed ground, including road and railway banks, scrubby grassland, hedgerows, sheltered sea-cliffs and consolidated shingle beaches; also along the edges of arable fields, and on rubbish tips and waste ground. 0-335 m (Dartmoor, S. Devon).
There has been no discernible change in the distribution of V. hirsuta since the 1962 Atlas. It was a troublesome cornfield weed in the 19th century, but is now much less frequent in that habitat.
European Temperate element, but widely naturalised so 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.