Rhyniopsida
Die Rhyniophyta sind eine Gruppe ausgestorbener Pflanzen, die an der Basis der Gefäßpflanzen stehen. Sie besitzen keine Blätter, ihre nackten Achsen verzweigen sich gabelig (dichotom).

Dies ist ein Auszug aus dem Artikel Rhyniopsida der freien Enzyklopädie Wikipedia. In der Wikipedia ist eine Liste der Autoren verfügbar.
Auf de.wikipedia.org wurde der Artikel Rhyniopsida in den letzten 30 Tagen 58-mal aufgerufen. (Stand: 14.07.2013)
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Rhyniophyta – Wikipedia
2.1 Horneophytopsida; 2.2 Rhyniopsida. 3 Zeitliche Verbreitung; 4 Weitere Vertreter ... Die Rhyniopsida sind eine kleine Gruppe von Gefäßpflanzen. Sie sind die ...
de.wikipedia.org/wiki/Rhyniophyta
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Rhyniopsida - Wikipedia, the free encyclopedia
Rhyniopsida is a class of extinct early vascular plants, with one family, Rhyniaceae, found in the Early Devonian (around 419 to 393 million years ago). They are ...
en.wikipedia.org/wiki/Rhyniopsida
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AccessScience | Encyclopedia Article | Rhyniopsida
The earliest demonstrable vascular land plants, appearing in Silurian (mid- Ludlovian) time. Their small, leafless axes were usually branched dichotomously in ...
www.accessscience.com/content/Rhyniopsida/588600
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Rhyniopsida: Definition from Answers.com
Rhyniopsida ( rnpsd ) ( paleobotany ) A class of extinct plants in the subkingdom Rhyniophyta characterized by leafless,
www.answers.com/topic/rhyniopsida
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Rhyniopsida - Encyclopedia - The Free Dictionary
A class of extinct plants in the subkingdom Rhyniophyta characterized by leafless , usually dichotomously branched stems that bore terminal sporangia. Want to ...
encyclopedia2.thefreedictionary.com/Rhyniopsida
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Rhyniopsida - Overview - Encyclopedia of Life
Brief summary. No one has contributed a brief summary to this page yet. Explore what EOL knows about Rhyniopsida. Add a brief summary to this page ...
eol.org/pages/6863598/overview
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Green Plants: Their Origin and Diversity - Google Books-Ergebnisseite
books.google.de/books?id=HYkTvGq_RccC&pg=PA139&lpg=PA139&dq=Rhyniopsida&source=bl&ots=bIzxkmlSdb&sig=fy1puVCNa_-v0D2_4eI7daX4bo0&hl=de&sa=X&ei=Gh7zUbWtEsfjOen3gJAC&ved=0CEoQ6AEwCw
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Rhyniopsida - World News
Rhyniopsida on WN Network delivers the latest Videos and Editable pages for News & Events, including Entertainment, Music, Sports, Science and more, Sign ...
wn.com/rhyniopsida
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Rhyniopsida (Meaning of) - Encyclo
Rhyniopsida is a class of extinct early vascular plants, with one family, Rhyniaceae, found in the Early Devonian (around {Period span/brief|Early Devonian}).
www.encyclo.co.uk/define/Rhyniopsida
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Ferns - Evolution - Plants, Rhyniopsida, Extinct, and Botanists ...
Most botanists believe that the ferns and fern allies are descendants of the Rhyniopsida, an extinct group of free-sporing plants which originated in the Silurian ...
science.jrank.org/pages/2685/Ferns-Evolution.html
Suchergebnisse für "Rhyniopsida"
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Rhyniopsida in der Wissenschaft
Rhyniopsida - Wikipedia, the free encyclopedia
Rhyniopsida is a class of extinct early vascular plants, with one family, ... of Peabody Museum of Natural History at Yale University, New Haven, Conn.
Talk:Rhyniopsida - Wikipedia, the free encyclopedia
Talk:Rhyniopsida. From Wikipedia .... We are tought in university that Rhyniophyta are ancestors not only of vascular plants, but of mosses too... We are tought ...
AccessScience | Encyclopedia Article | Rhyniopsida
Rhyniopsida ... Harlan P. Banks, Emeritus Professor of Botany, Division of Biological Sciences, Cornell University, Ithaca, New York ...
Rhyniopsida - AccessScience from McGraw-Hill Education
Rhyniopsida. Sections: The earliest ... Harlan P. Banks, Emeritus Professor of Botany, Division of Biological Sciences, Cornell University. The content above is ...
[PDF]The Plant Cuticle
Julius-von-Sachs-Institut für Biowissenschaften, Universität Würzburg. Project title: The Plant Cuticle: ... the Rhyniopsida. From an evolutionary point of view, ...
[PDF]Gymnospermen - Humboldt-Universität zu Berlin
(Rhyniopsida, Zosterophyllopsida, Trimerophytopsida). - Bedeutende Fundstätte: Rhynie (50 km nordwestlich von Aberdeen,. Schottland) - ausgezeichnet ...
embryophyta - University of Maryland
#NEXUS [MacClade 3.08a registered to John W. Merck, Jr., The University of ... 4 Rhyniopsida, 5 Lycopsida, 6 Filicopsida, 7 Sphenophtya, 8 '"Seed_ferns"', ...
Die Kormophyten - Universität Ulm
DIA Rhyniopsida [Foster, A.S., Gifford, E.M.jr. 1974: 7-1]: DIA Psilotum triquetrum; Habitus: DIA .... J.R. Hoppe, Abteilung Spezielle Botanik, Universität Ulm.
Rhyniopsida Definition. Crossword Dictionary. - Word Domination.com
Information about Rhyniopsida in the Columbia Encyclopedia, Computer Desktop ... “Rhyniopsida definition of Rhyniopsida in the Free Online”, encyclopedia2 ...
Bücher zum Begriff Rhyniopsida
Green Plants: Their Origin and Diversity
Green Plants: Their Origin and Diversity
Peter R. Bell, Alan R. Hemsley, 2000
Rhyniopsida. This extinct group is ancestral amongst tracheophytes. It contains those ... The tracheids of the Rhyniopsida as a whole had annular or spiral thickenings. The inner surface of the wall was covered with a thin layer of resistant ...
Paleobotany and the Evolution of Plants
Paleobotany and the Evolution of Plants
Wilson N. Stewart und Gar W. Rothwell von Cambridge University Press, 2010
Originally published in 1993, this second edition of a successful textbook describes and explains in a refreshingly clear way the origin and evolution of plants as revealed by the fossil record and summarises paleobotanical information relevant to our understanding of the relationships between the major plant groups, extant and extinct. As in the f...
Invasions of the Land: The Transitions of Organisms from Aquatic ...
Invasions of the Land: The Transitions of Organisms from Aquatic ...
Malcolm Stephen Gordon, Everett Claire Olson, 1995
If this is the case, where then do the Rhyniopsida fit in the evolutionary sequence ? Whatever the answer, the Rhyniopsida must be regarded as the simplest known vascular land plants. They are also frequently held to be the most primitive ; ...
Paleobotany and the Evolution of Plants
Paleobotany and the Evolution of Plants
Wilson N. Stewart und Gar W. Rothwell von Cambridge University Press, 1993
Originally published in 1993, this second edition of a successful textbook describes and explains in a refreshingly clear way the origin and evolution of plants as revealed by the fossil record and summarises paleobotanical information relevant to our understanding of the relationships between the major plant groups, extant and extinct. As in the f...
Paleobotany and the Evolution of Plants
Paleobotany and the Evolution of Plants
Wilson Wilson Nichols Stewart, 1993
Accordingly, the bryophytes are thought to be an evolutionary dead end, with vascular plants evolving independently from the primitive type of vascular plant represented by the Rhyniopsida. Psilopsida and the Rhyniopsida While we are still ...
BIOS Instant Notes in Plant Biology
BIOS Instant Notes in Plant Biology
Andrew Lack, David Evans, 2001
They were low growing plants less than 50 cm high bearing sporangia at the tips (Rhyniopsida), laterally (Zosterophyllopsida) or in bunches (Trimerophytopsida). Most were probably homosporous. Gametophytes are little known, but some ...
Plants Invade the Land: Evolutionary and Environmental Perspectives
Plants Invade the Land: Evolutionary and Environmental Perspectives
Patricia G. Gensel, Dianne Edwards, 2001
Rhyniopsida are increasingly recognized as persisting into the Middle Devonian, but they then became extinct. Primitive ... Rhyniopsida AND DERIVATIVES In recent years, a completely new, more re- stricted concept of Rhyniopsida and its  ...
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Rhyniopsida
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adventitious: Definition, Synonyms from Answers.com
adventitious adj. Not inherent but added extrinsically. See synonyms at accidental . Biology . Of or belonging to a structure that develops in an unusual
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