All Species in Callitriche
- Effluent Water-Starwort (Callitriche trochlearis)
- Fassett's Water-Starwort (Callitriche fassettii)
- Longstock Water-Starwort (Callitriche longipedunculata)
- Matted Water-Starwort (Callitriche peploides)
- Narrow-Wing Water-Starwort (Callitriche stenoptera)
- Northern Water-Starwort (Callitriche hermaphroditica)
- Nuttall's Water-Starwort (Callitriche pedunculosa)
- Twoheaded Water-Starwort (Callitriche heterophylla)
- Vernal Water-Starwort (Callitriche palustris)
- Winged Water-Starwort (Callitriche marginata)