Texas Vascular Plant Checklist:  Cymodoceaceae
The Manatee Grass Family
(Magnoliophyta, Liliopsida, Alismatidae)

 Cymodocea
   filiformis (Kuetz.) Correll (manatee-grass)

 Halodule
   beaudettei (den Hartog) den Hartog (shoalweed)