Texas Vascular Plant Checklist:  Hydrocharitaceae
The Tape Grass Family
(Magnoliophyta, Liliopsida, Alismatidae)

 Egeria
   densa Planch. (brazilian waterweed)

 Halophila
   engelmannii Aschers. (engelmann's sea grass)

 Hydrilla
   verticillata (L. f.) Royle (water thyme)

 Limnobium
   spongia (Bosc) L.C. Rich. ex Steud. (common frogbit)

 Ottelia
   alismoides (L.) Pers. (duck lettuce)

 Thalassia
   testudinum Banks & Soland. ex Koenig (turtle grass)

 Vallisneria
   americana Michx. (american wild celery, eelgrass, water-celery)