Texas Vascular Plant Checklist:  Callitrichaceae
The Water Starwort Family
(Magnoliophyta, Magnoliopsida, Asteridae)

 Callitriche
   heterophylla subsp. heterophylla (larger w)
   palustris L. (vernal water starwort)
   pedunculosa Nutt. (nuttall's water starwort)
   peploides Nutt. (mat w.)
   terrestris Raf. (annual w.)