Psilotaceae is a family of ferns (class Polypodiopsida) consisting of two genera, Psilotum and Tmesipteris with about a dozen species. It is the only...

of fern-like vascular plants. It is one of two genera in the family Psilotaceae commonly known as whisk ferns, the other being Tmesipteris. Plants in...

ISBN 978-0-521-06661-7. Tutin, Thomas Gaskell (1993). Flora Europaea, Volume 1: Psilotaceae to Platanaceae (2nd ed.). Cambridge New York Melbourne [etc.]: Cambridge...

have a vascular system within a branching cylindrical stem. The living Psilotaceae, the whisk-ferns, were sometimes added to the class, which was then usually...

assigned to its own order. Class Psilotopsida Order Psilotales, family Psilotaceae – Whisk ferns (2 genera, about 17 species) Order Ophioglossales, family...

; Burges, N. A.; Edmondson, J. R. (eds.). Flora Europaea. Volume 1, Psilotaceae to Platanaceae (2 ed.). Cambridge University Press. pp. 287–290. ISBN 978-0-521-41007-6...

Gardener's Chronicle (August 13, 1887 ) pp. 190-191. 120 varieties. Carr, G. "Psilotaceae". University of Hawai`i at Manoa. Retrieved 1 April 2010. Mary Kawena...

clubmosses, spikemosses, and quillworts in Lycopodiophyta; the whisk ferns of Psilotaceae; and the horsetails of Equisetaceae. Since this grouping is polyphyletic...

about 9,000 species, including horsetails (Equisetaceae), whisk ferns (Psilotaceae), and all eusporangiate and all leptosporangiate ferns. Historically...

Valentine, D.H.; Walters, S.M.; Webb, D.A. (1993). Flora Europaea. Volume 1: Psilotaceae to Platanaceae. Cambridge University Press. ISBN 0-521-41007-X. Govaerts...