Psilotum nudum
Found mostly in thermal areas.
The leaves are very tiny and scale-like.
Tmesipteris tannensis
Epiphytic on trees and tree ferns.
Tmesipteris lanceolata
Epiphytic on trees and tree ferns.
Psilotaceae
This is a very ancient family of fern allies. They lack true roots and the sporangia are fused into groups of 2 or 3 on the upper surface of the forked leaves.
