Bedfordshire, Cambridgeshire, Northamptonshire Wildlife Trust
Berks, Bucks & Oxon Wildlife Trust
British Myriapod & Isopod Group
Buckinghamshire Bird Club
Buckinghamshire County Council
Buckinghamshire Fungus Group
Buckinghamshire and Milton Keynes Environmental Record Centre
Buckinghamshire Invertebrate Group
Butterfly Conservation
Friends of Linford Lakes Nature Reserve
iRecord
iSpot
Mammal Society
Northampton Natural History Society
North Bucks Bat Group
Parks Trust Milton Keynes
Plantlife
Peoples Trust for Endangered Species
RSPB North Bucks Local Group