- Costularia arundinacea
- Costularia brevifolia
- Costularia comosa
- Costularia fragilis
- Costularia guillauminii
- Costularia hornei
- Costularia laxa
- Costularia leucocarpa
- Costularia melicoides
- Costularia melleri
- Costularia natalensis
- Costularia neocaledonica
- Costularia nervosa
- Costularia pantopoda
- Costularia pilisepala
- Costularia pubescens
- Costularia purpurea
- Costularia setacea
- Costularia stagnalis
- Costularia sylvestris
- Costularia xyridioides
- Costularia xyridoides