The Oxford Geology Group - Details of activities and events, and membership information. - http://www.oxgg.org.uk/
The Ashmolean Natural History Society of Oxfordshire - Details of activities, with information about the rare plants and education groups, as well as the society's own journal 'Fritillary'. - http://freespace.virgin.net/frances.watkins/rpg/ANHSO.htm
Oxfordshire Amphibian & Reptile Group - Records and publishes information about species in Oxfordshire. Includes online records, distribution maps, and recommended books. - http://www.oxfordshire-arg.org.uk/