Description of Lemnaceae - Habit and leaf form; Anatomy; Morphology; Physiology; Biochemistry; Geography. www.keil.ukans.edu/delta/angio/www/lemnacea.htm
Duckweeds - Information about the taxonomy, habitat, anatomy and physiology of the Lemnaceae, the smallest flowering plants. www.mobot.org/jwcross/duckweed
Lemnaceae (Duckweed Family) - Taxonomic descriptions, images, and dichotomous keys for the Lemnaceae (duckweeds) in North America. waynesword.palomar.edu/1wayindx.htm
