now placed elsewhere. The class was established in 1917, under the name Psilophyta, with only three genera (Rhynia, Horneophyton and Psilophyton) for a group...

Deprea psilophyta is a species of flowering plant in the family Solanaceae. It is endemic to Ecuador. It was first described as Larnax psilophyta in 1998...

class Psilophyta, established in 1917 by Kidston and Lang. As additional fossils were discovered and described, it became apparent that the Psilophyta were...

class Psilophyta, established in 1917 by Kidston and Lang. As additional fossils were discovered and described, it became apparent that the Psilophyta were...

A system of taxonomy of the cryptogams, the Smith system was published in: Smith, G.M. (1938). Cryptogamic Botany, vol. 1. Algae and fungi. McGraw-Hill...

1111/j.1095-8339.1986.tb01020.x. Banks, H.P. (1975). "Reclassification of Psilophyta". Taxon. 24 (4): 401–413. doi:10.2307/1219491. JSTOR 1219491., cited in...

Psilotales. Once thought to be descendants of early vascular plants (the Psilophyta of the Devonian period), Psilotaceae have been shown by molecular phylogenetics...

polysporangiophytes had been placed in a single order, Psilophytales, in the class Psilophyta, established in 1917 by Kidston and Lang. The living Psilotaceae, the...

class, Psilophyta, established in 1917 by Kidston and Lang. As additional fossils were discovered and described, it became apparent that the Psilophyta were...

ISBN 978-0-12-373972-8, pp. 259-261 Banks, H.P. (1975), "Reclassification of Psilophyta", Taxon, 24 (4): 401–413, doi:10.2307/1219491, JSTOR 1219491 Banks, Harlan...