Associations

Systematics, ecology, evolution, and natural history of the plants of California and adjacent western North America. Publisher of the journal Madroño.

Founded in 1836, it is the major source of information on the status and distribution of British and Irish flowering plants and ferns.

Promoting research and teaching in all fields of plant biology to facilitate cooperation among plant scientists worldwide and to disseminate knowledge of plants, algae and fungi. Links to the American Journal of Botany, Plant Science Bulletin, national meetings and symposia, and educational resources.