Hydrilla verticillata (L.f.) Royle
      
no HD illustration available (m3)
2 540832 Hydrilla verticillata (L.f.) Royle [80 941016 Serpicula verticillata L.f.] Hydrocharitaceae
Fl. Males., vol. 5 : p. 385, fig. 1 (1955-1958) [after Ernst-Schwarzenbach]