Natural History
- Association of British Fungi Groups
- Bournemouth Natural Science Society and Museum
- British Bugs
- British Dragonflies
- British Lichens
- Dan and Rosemary Powell
- Hampshire and Isle of Wight Butterfly Conservation
- Hampshire Bat Group
- Hampshire Ornithological Society
- Hampshire Wildlife Trust
- Lymington and District Natural History Society
- Plantlife
- UK Hoverflies