. . "Ludwigia sect. Pterocaulon" . _:b76393783 . . "Ludwigia sect. Pterocaulon" . . "Ramamoorthy, 1980" . . "921152" . . . "Ludwigia sect. Pterocaulon" . "Ludwigia sect. Pterocaulon Ramamoorthy, 1980" . _:b76393783 "50127757" . _:b76393783 . "50127757" . _:b76393783 . _:b76393783 "TROPICOS id" . .