Bergia

Bergia is one of the two genera of plants composing the waterwort family, Elatinaceae. These are tropical to subtropical plants and sometimes aquatic in nature.
Species include:

Bergia ammannioides
Bergia aquatica
Bergia auriculata
Bergia capensis
Bergia decumbens
Bergia glutinosa
Bergia henshallii
Bergia pedicellaris
Bergia pentherana
Bergia perennis
Bergia polyantha
Bergia pusilla
Bergia serrata
Bergia suffruticosa
''Bergia texana''