AASP was established in 1967 to promote the science of palynology, and has a world-wide membership of about 800. The AASP Foundation publishes the journal Palynology (annually), the AASP Newsletter (quarterly), and the AASP Contributions Series (mostly monographs, issued irregularly), as well as several books and miscellaneous items. AASP also organises an Annual Meeting which usually includes a field trip, a business luncheon, social events, and technical sessions where research results are presented on all aspects of palynology.

The International Federation of Palynological Societies (IFPS) is a federation of regional, national, linguistic, and specialist palynological organizations of the world. Its goals are to advance knowledge in palynology and related subjects by promotion of international cooperation and sponsorship of regular meetings between palynologists of all countries and regions.

A non-profit organization interested in promoting the study of fossil algae.

Group manages the plant fossil database.

Containing information on awards, meetings and announcements, publications, reports, and personalia of the Section.

The Palaeobotanical Research Group of this German university. Research mainly involves Palaeozoic and early Mesozoic flora.