- Bacopa amplexicaulis (Michx.) Wettst.

- Bacopa carolineana Robinson

- Herpestis amplexicaulis (Michx.) Pursh

- Herpestis caroliniana Britton, Sterns & Poggenb.

- Hydrotrida caroliniana (Walter) Small

- Hydrotrida crenulata (Small) Small

- Hydrotrida crenulata (Small) Small ex Cham. & Schltdl.

- Macuillamia amplexicaulis (Michx.) Raf.

- Moniera amplexicaulis Michx.

- Moniera caroliniana (Walter) Kuntze

- Moniera crenulata Small

- Monniera amplexicaulis Michx.

- Monniera caroliniana (Walter) Kuntze

- Monniera crenulata Small

- Schulzia obolaroides Raf.

- Septilia caroliniana (Walter) Small

- Septilia crenulata (Small) Small