Aquatic Gardeners Association: International organization of aquatic plant enthusiasts, source for articles, plant books, and online back issues of the AGA Journal
Brisbane Aquatic Plant Study Group: Meeting information, articles and gallery.
Chicago Aquatic Gardeners Association: A group of aquarium plant hobbyists in the Chicago area. Monthly meetings, plant trades and auctions.
Dallas/Fort Worth Aquatic Plant Club: An organization dedicated to the advancement of planted aquaria based in the Dallas/Fort Worth metro area.
San Francisco Bay Area Aquatic Plant Society: One of the few aquatic plant societies on the USA. Information, pictures, club meetings and auctions.