» Aquatic Gardeners Association    International organization of aquatic plant enthusiasts, source for articles, plant books, and online back issues of the AGA Journal    http://www.aquatic-gardeners.org/

» Brisbane Aquatic Plant Study Group    Meeting information, articles and gallery.    http://bpsg.frell.org/

» Chicago Aquatic Gardeners Association    A group of aquarium plant hobbyists in the Chicago area. Monthly meetings, plant trades and auctions.    http://www.geocities.com/cagagroup/

» Dallas/Fort Worth Aquatic Plant Club    An organization dedicated to the advancement of planted aquaria based in the Dallas/Fort Worth metro area.    http://www.aquatic-plants.org

» San Francisco Bay Area Aquatic Plant Society    One of the few aquatic plant societies on the USA. Information, pictures, club meetings and auctions.    http://www.sfbaaps.com/