Abstract
This study presents a morphological taxonomic description, detailed illustrations and diagnostics comments of the species of Cabombaceae registered for the cangas of Serra of the Carajás, Pará state, Brazil. The genus Cabomba with two species are recorded: C. furcata e C. haynesii, widely distributed in North, Central and South America.
Key words:
Amazonia; Cabomba; FLONA Carajás; aquatic plant
