Cyathea
Polytomous
- Subdivision of the genus cyathea
- KEY TO THE SPECIES of Cyathea Subg. Cyathea Sect. Cyathea
- KEY TO THE SPECIES of Cyathea Subg. Cyathea Sect. Gymnosphaera
- KEY TO THE SPECIES of Cyathea Subg. Sphaeropteris Sect. Sphaeropteris Subsect. Sphaeropteris
- KEY TO THE SPECIES of Cyathea Subg. Sphaeropteris Sect. Sphaeropteris Subsect. Fourniera
- KEY TO THE SPECIES of Cyathea Subg. Sphaeropteris Sect. Schizocaena Subsect. Schizocaena
- KEY TO THE SPECIES of Cyathea Subg. Sphaeropteris Sect. Schizocaena Subsect. Sarcopholis