Narukila ovata Phrynium capitatum Phrynium densiflorum Phrynium laoticum Phrynium malaccense Phrynium ovatum Phrynium philippinense Phrynium pubigerum Phrynium rheedei Phrynium thorelii Phyllodes capitata Phyllodes pubigera Phyllodes pubinervis Pontederia ovata Phrynium densiflorum
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024