All Species in Hydrostachys
- Hydrostachys angustisecta (Hydrostachys angustisecta)
- Hydrostachys bismarckii (Hydrostachys bismarckii)
- Hydrostachys decaryi (Hydrostachys decaryi)
- Hydrostachys distichophylla (Hydrostachys distichophylla)
- Hydrostachys distichophylla var. distichophylla (Hydrostachys distichophylla var. distichophylla)
- Hydrostachys distichophylla var. hildebrandtii (Hydrostachys distichophylla var. hildebrandtii)
- Hydrostachys fimbriata (Hydrostachys fimbriata)
- Hydrostachys flabellifera (Hydrostachys flabellifera)
- Hydrostachys imbricata (Hydrostachys imbricata)
- Hydrostachys insignis (Hydrostachys insignis)
- Hydrostachys longifida (Hydrostachys longifida)
- Hydrostachys lufirensis (Hydrostachys lufirensis)
- Hydrostachys lukungensis (Hydrostachys lukungensis)
- Hydrostachys maximus (Hydrostachys maximus)
- Hydrostachys monoicus (Hydrostachys monoicus)
- Hydrostachys multifida (Hydrostachys multifida)
- Hydrostachys myriophylla (Hydrostachys myriophylla)
- Hydrostachys perrieri (Hydrostachys perrieri)
- Hydrostachys plumosa (Hydrostachys plumosa)
- Hydrostachys polymorpha (Hydrostachys polymorpha)
- Hydrostachys stolonifera (Hydrostachys stolonifera)
- Hydrostachys triaxialis (Hydrostachys triaxialis)
- Hydrostachys trifaria (Hydrostachys trifaria)
- Hydrostachys trifaria var. multisquamata (Hydrostachys trifaria var. multisquamata)
- Hydrostachys trifaria var. trifaria (Hydrostachys trifaria var. trifaria)
- Hydrostachys verruculosa (Hydrostachys verruculosa)