Range & Status
Native: a Submediterranean-Subatlantic species of the chalk areas of south and east England.
It is extinct in Cornwall. It was noted in the past as a casual near Charlestown and from a very limited area around the Camel Estuary. However, doubt has been cast on recent records (Rich, 1994).
Habitat and Ecology
Occurring in open disturbed habitats and an arable weed of sandy fields.
Since 1960 the number of known localities in Britain has dropped. The cause for this decline is unknown.
Listed (middle list) as a globally threatened/declining species (BSGR, 1995).