Home / Recent and Fossil Plant and Fungi Taxa / Psilotophyta

Answers.com: Psilotophyta.
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! The Botanical Society of America: The American Journal of Botany Cover Images Index. The collection on the page holding the cover images of the American Journal of Botany. A great set of images! See also:
! Online Image Collection. This page acts as a map to the entire collection. Images are classified in groups in which they were submitted for historical purposes, e.g. Psilophyta.
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Curtis Clark, Biological Sciences Department, California State Polytechnic University, Pomona: Plant Morphology, and Resource. Go to: Lab 10: Lycophyta, Psilotophyta (PDF file).
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! Michael Clayton, Department of Botany, University of Wisconsin, Madison: Instructional Technology (BotIT). Some image collections. Excellent! Go to:
Fern Allies.

C.M. Colston et al. (2022): An early snapshot of plant–herbivore interactions: Psilophyton diakanthon sp. nov. from the Early Devonian of Gaspé (Quebec, Canada). Free access, American Journal of Botany, 110.

! J.B. Doran and A.M.F. Tomescu (2025): On the origin of euphyllophyte roots – hypotheses from an Early Devonian Psilophyton. Free access, Annals of Botany, https://doi.org/10.1093/aob/mcaf121.
"... Well preserved Early Devonian (earliest Emsian) material from the Val d’Amour Formation in New Brunswick (Canada) was freed from the rock matrix using acid. Over 2000 emergences from 28 randomly selected P. crenulatum axes were characterized qualitatively and quantitatively in terms of morphology and distribution ..."

P. Gerrienne (1997): The fossil plants from the Lower Devonian of Marchin (northern margin of Dinant Synclinorium, Belgium). V. Psilophyton genseliae sp. nov., with hypotheses on the origin of Trimerophytina. In PDF, Review of Palaeobotany and Palynology, 98: 303-324.
See here as well.

! Biological Sciences, Ohio State University, Lima: Plant Biology at OSU Lima. Go to:
Psilophyta.
Plant anatomical characteristics.
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Department of Botany, University of Wisconsin, Madison:
Plant Systematics Collection. This web site provides structured access to a teaching collection of plant images representing over 250 families and 1000 genera of vascular plants. Go to:
Phylum Psilotophyta.
Websites outdated. Links lead to versions archived by the Internet Archive´s Wayback Machine.

M.J. Poschmann (2025): First record of the zosterophyllopsid plant Sawdonia from the Lower Devonian of the Olkenbach Syncline (SE-Eifel, Rhineland-Palatinate, SW-Germany), and a supposed case of feeding damage on sporangia. In PDF, Mainzer naturwiss. Archiv, 62: 61-70.

! Alan R. Smith, Kathleen M. Pryer, Eric Schuettpelz, Petra Korall, Harald Schneider, & Paul G. Wolf (2006). A classification for extant ferns. PDF file, Taxon 55: 705–731.
This expired link is available through the Internet Archive´s Wayback Machine.

Wikipedia, the free encyclopedia:
Category:Historically recognized plant taxa.
Category:Prehistoric plants.
! Psilophytopsida.
Psilotopsida.
Psilophyton.
Zosterophyllophyta.
Zosterophyllophyta (in German).