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Topic: Zygnematales

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	Zygnematales - Wikipedia, the free encyclopedia
		The Zygnematales are an order of green algae, comprising several thousand different species in genera such as the well-known Zygnema and Spirogyra.
		The only other group of conjugating algae are the desmids, which live as individual cells often striking for their symmetrical appearance.
		The two orders are definitely close relatives, and sometimes the desmids are included among the Zygnematales, or the two are grouped in their own division (Gamophyta).
	en.wikipedia.org /wiki/Zygnematales (236 words)

	Zygnematales (Site not responding. Last check: 2007-10-10)
		Spirogyra and Zygnema are the best-known members of the order, and because of the beauty of these organisms when seen under a microscope, they are commonly used in biology classes as examples of the "green algae".
		However, the Zygnematales are not representative of the green algae in general, and have many unusual features which suggest a closer relationship to the plants than to the other green algae.
		Almost all species of Zygnematales live in freshwater environments, where they are important as primary producers.
	www.ucmp.berkeley.edu /greenalgae/charophyta/zygnematales.html (539 words)

	Are Combined Analyses Better Than Single Gene Phylogenies? A Case Study Using SSU rDNA and rbcL Sequence Comparisons in ...
		1), the Zygnematales and Desmidiales are monophyletic, revealing the placement of Roya and Netrium oblongum SVCK 255 in the rbcL tree (fig.
		SVCK 255, Mesotaenium endlicherianum and the "crown Zygnematales"
		Zygnematales, the genetic diversity at the genus level was severely
	mbe.oxfordjournals.org /cgi/content/full/21/3/612 (5729 words)

	Charophycean Green Algae Home Page
		The Zygnematales are either unbranched filaments (although a few species form one or a few branches early in development while they are forming a holdfast) or unicells.
		There is reason to believe that the unicellular members of the Zygnematales are derived from filamentous ancestors.
		The Zygnematales are a diverse and ecologically important group.
	www.life.umd.edu /labs/delwiche/Charophyte.html (845 words)

	Green alga -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-10)
		The orders outside the Chlorophyta are often grouped as the division Charophyta, which is (Click link for more info and facts about paraphyletic) paraphyletic to higher plants, together comprising the Streptophyta.
		Sometimes the Charophyta is restricted to the Charales, and a division Gamophyta is introduced for the Zygnematales and Desmidales.
		In older systems the Chlorophyta may be taken to include all the green algae, but taken as above they appear to form a monophyletic group.
	www.absoluteastronomy.com /encyclopedia/g/gr/green_alga.htm (665 words)

	Linda A Cooney - 0061067180 - Tim M. Berra (Site not responding. Last check: 2007-10-10)
		Freshwater Algae of the Southeastern United States Part 5 Section 3 Chlorophyceae Zygnematales Desmidiaceae Bibliotheca Thycologica Volume 90.
		Freshwater Algae of the Southeastern USA Part 6 - Chlorophyceae Zygnematales Desmidiaceae Bibl Phycologica Vol 93.
		Freshwater Algae of the Southeastern United States Chlorophyceae Zygnematales Zygnemataceae Mesotaeniaceae Desmidiaceae Section 1 bibliote.
	www.howtowrite.net /158126freshman_scandal_freshman_dorm_no_22.html (137 words)

	BookHq: Freshwater Algae of the Southeastern United States: Chlorophyceac: Zygnematales: Desmidiaceae by ( 3443600204 )
		BookHq: Freshwater Algae of the Southeastern United States: Chlorophyceac: Zygnematales: Desmidiaceae by (3443600204)
		Freshwater Algae of the Southeastern United States: Chlorophyceac: Zygnematales: Desmidiaceae
		The 10-digit ISBN# is typically found on the back of your book.
	www.bookhq.com /compare/3443600204.html (138 words)

	Great Lakes Water Life Photo Gallery - Desmids
		Profile: unattached filaments forming cottony masses, occassional found attached to submerged stems.
		Profile: long filaments, generally unbranched, except where in contact with sediments.
		Rock pool on the north shore of Lake Superior - S.
	www.glerl.noaa.gov /seagrant/GLWL/Algae/Chlorophyta/Desmids.html (465 words)

	Freshwater Algae of the Southeastern United States, Part 5 Section 3: Chlorophyceae, Zygnematales, Desmidiaceae (Site not responding. Last check: 2007-10-10)
		Freshwater Algae of the Southeastern United States, Part 5 Section 3: Chlorophyceae, Zygnematales, Desmidiaceae
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	isbn.nu /3443600174 (317 words)

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