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Topic: Cyatheales

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	Cyatheales - Wikipedia, the free encyclopedia
		The order Cyatheales is a taxonomic division of the fern (Division Pteridophyta) subclass, Cyatheatae, which includes the Tree ferns.
		However, the plants formally known as tree ferns compose a group of large ferns belonging to the families Dicksoniaceae and Cyatheaceae in the order Cyatheales.
		The families that constitute Cyatheales have been relatively firmly established as a monophyletic clade by DNA sequencing and morphological studies.
	en.wikipedia.org /wiki/Cyatheales (504 words)

	Cyatheales -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-26)
		The order Cyatheales is a taxonomic division of the fern ((Containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta) Division Pteridophyta) subclass, Cyatheatae, which includes the Tree ferns.
		Like all ferns, tree ferns reproduce by means of (A small usually single-celled reproductive body produced by many plants and some protozoans and that develops into a new individual) spores developed in (additional info and facts about sporangia) sporangia on the undersides of the fronds.
		The families that constitute Cyatheales have been relatively firmly established as a monophyletic clade by ((biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information) DNA sequencing and morphological studies.
	www.absoluteastronomy.com /encyclopedia/c/cy/cyatheales.htm (587 words)

	[No title] (Site not responding. Last check: 2007-10-26)
		The few tree ferns not in the Cyatheales generally have trunks no higher than two meters tall, while some tree ferns of the Cyatheales have been known to have trunks fifteen meters tall.
		It has frequently been suggested that the Dennstaedtioid ferns are allied with the Dicksonioid portion of the Cyatheales (that is, Dennstaedtioid sensu strictu, maybe or maybe not including the Hypolepoid ferns).
		The chromosome count origins of the Cyatheales are not clear.
	home.frognet.net /~jaknouse/ferns.htg/o_cyat.html (230 words)

	Cyatheales
		[ Cupressales ] [ Cyatheales ] [ Cycadales ]
		Individual specimen entries are published in the sample database supplied with The Compleat Botanica for species or varieties of this supra-generic taxon.
		For a description of the methodology followed in establishing this hierarchy see the note Nomenclature used in The Compleat Botanica.
	www.crescentbloom.com /Plants/Ordo/Cyatheales.htm (59 words)

	PBIO 250 Lecture Notes - Selected Families of Pteridophytes - Spring 1998 (Site not responding. Last check: 2007-10-26)
		See the description and photographs from the University of Wisconsin.
		Among the other families in Cyatheales is the Tree fern family Cyatheaceae, seen here on the edge of a subtropical forest in Guerrero, Mexico.
		See more images from Albion College and the University of Hamburg.
	www.biologie.uni-hamburg.de /b-online/systems/pter.html (1172 words)

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