Tmesipteris
Tmesipteris elongata P.A. Dang, Tmesipteris lanceolata P. A. Dang, Tmesipteris sigmatifolia (Spreng.) Bernh, Tmesipteris tannensis, Tmesipteris tannensis (Spreng.) Bernh
Classification of Psilotophyta
Main entry in Systema Naturae 2000.
Division Psilotophyta
Description with links to images of Psilotum nudum and Tmesipteris tannensis.
Fork Ferns
Illustrated introduction to the five species of Psilotaceae found in New Zealand.
Introduction to the Psilotales
Includes descriptions of morphology and life history.
Phylum Psilophyta
Includes phylum description, and links to images of members of the Psilotaceae.
Psilophyta
Profusely illustrated description focussed on morphology and evolution.
Psilotaceae
Division/family description and thumbnail links to images of two species of Psilotum from Hawaii.
Psilotaceae
Description and illustration of anatomical structure of species in Hawaii