The grid-reference to vice-county conversion tool has moved.
Please visit database.bsbi.org/gridref.php instead
Alternatively, Cucaera also provides a similar vc-lookup tool here:
www.cucaera.co.uk/grp/
Further background information is available on wikipedia. The BSBI vice-county census catalogue and atlas project have detail of present-day plant distribution.
Digitised Watsonian Vice-County Boundary data. © All right reserved, National Biodiversity Network Trust and Crown Copyright 2003, comes with ABSOLUTELY NO WARRANTY. This product is available for not-for-profit use to support biological recording activities strictly under licence with the NBN Trust.