Najas indica Najas indicaCommon name(s): N/A – other Najas species are known as Najas Grass, Guppy Grass or Waternymph.Family: HydrocharitaceaeOrigin: tropical and subtropical AsiaCategories: Aquatic Plants |More species from the Hydrocharitaceae family Lagarosiphon major Blyxa japonica Egeria najas Elodea canadensis Egeria densa Hydrilla verticillata Najas guadalupensis Elodea nuttallii Limnobium laevigatum