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Topic: Pteridopsida

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Fern

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Dryopteridales

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Pteridales

Whisk fern

	Fern - Term Explanation on IndexSuche.Com
		Pteridopsida Fern, or pteridophyte, is any one of a group of some twenty thousand species of plants classified in the Division Pteridophyta, formerly known by some as ''Filicophyta''.
		A fern is defined as a vascular_plant that lacks seeds, and that reproduces by shedding spores to initiate an alternation_of_generations.
		Pteridopsida The last group includes most plants familiarly known as ferns.
	www.indexsuche.com /Fern.html (689 words)

	Pteridophyta the Ferns Tree fern Tree fern Tree fern...
		Pteridopsida Pteridopsida "Fern", or "pteridophyte", is any one of a group of some twenty thousand species of plants classified in the "Division Pteridophyta", formerly known by some as "Filicophyta".
		A fern is defined as a vascular plant vascular plant that lacks seed seeds, and that reproduces by shedding spore spores to initiate an alternation of generations alternation of generations.
		Pteridopsida Pteridopsida The last group includes most plants familiarly known as ferns.
	www.biodatabase.de /Fern (875 words)

	Introduction to the Pteridopsida (Site not responding. Last check: 2007-11-07)
		An additional group, the Psilotales, is tentatively included in the ferns, though the group is so vastly different from living ferns that no one is really certain of its relationships.
		Click on the buttons below to find out more about the Pteridopsida.
		For more about ferns, visit the American Fern Society.
	www.ucmp.berkeley.edu /plants/pterophyta/pteridopsida.html (113 words)

	Pteridopsida - Encyclopedia.WorldSearch (Site not responding. Last check: 2007-11-07)
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		The Pteridopsida is a class of plants in the Division Pteridophyta that includes the "modern" ferns.
		The Pteridopsida is sub-divided into four subclasses to reflect likely cladistics.
	encyclopedia.worldsearch.com /pteridopsida.htm (88 words)

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		Introduction to the Pteridopsida - Presents an overview of this group of flora including its known representatives.
		Phylum Pteridopsida Ferns - Provides information on this type of vegetation including general description, unique features, life cycle, subgroups and representatives.
		Phylum Pterophyta - Describes the unique characteristics of this type of flora.
	botw.org /top/Science/Biology/Plants_and_Animals/Plantae/Polypodiophyta (340 words)

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