All Species in Phenax
- Asian Ghostweed (Phenax sonneratii)
- Phenax angustifolius (Phenax angustifolius)
- Phenax asper (Phenax asper)
- Phenax bullatus (Phenax bullatus)
- Phenax ekmanii (Phenax ekmanii)
- Phenax erectus (Phenax erectus)
- Phenax flavifolius (Phenax flavifolius)
- Phenax globulifera (Phenax globulifera)
- Phenax granulatus (Phenax granulatus)
- Phenax grossecrenatus (Phenax grossecrenatus)
- Phenax haitensis (Phenax haitensis)
- Phenax hirtus (Phenax hirtus)
- Phenax integrifolius (Phenax integrifolius)
- Phenax laevigatus (Phenax laevigatus)
- Phenax laevis (Phenax laevis)
- Phenax laxiflorus (Phenax laxiflorus)
- Phenax madagascariensis (Phenax madagascariensis)
- Phenax mexicanus (Phenax mexicanus)
- Phenax microcarpus (Phenax microcarpus)
- Phenax microphyllus (Phenax microphyllus)
- Phenax pauciflorus (Phenax pauciflorus)
- Phenax pauciserratus (Phenax pauciserratus)
- Phenax perrieri (Phenax perrieri)
- Phenax poiretii (Phenax poiretii)
- Phenax rugosus (Phenax rugosus)
- Phenax sessilifolius (Phenax sessilifolius)
- Phenax uliginosus (Phenax uliginosus)
- Phenax weddellianus (Phenax weddellianus)