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Topic: Anthocerotopsida


In the News (Wed 30 Dec 09)

  
  BANGLAPEDIA: Bryophyte
This group is generally divided into three classes: Hepaticae or Hepaticopsida (liverworts and scale mosses), Anthocerotae or Anthocerotopsida (hornworts), and Musci or Bryopsida (mosses).
Representatives of the class Anthocerotopsida, Anthoceros and Notothylas are usually found on soils along the 'chharas', streams and rivers or on very damp and shaded soil.
Semibarbula orientalis and Hyophila involuta growing on walls and bricks and Calymperes, Taxithelium and Erpodium growing on the bark of trees are some of the common mosses of Bangladesh.
banglapedia.org /HT/B_0635.HTM   (617 words)

  
 WED 2006
Bryophyte A division of green land plants that includes the mosses (class Bryopsida), the liverworts (class Marchantiopsida), and the hornworts (class Anthocerotopsida).
Anthoceros and Notothylas of the class Anthocerotopsida are usually found on soils along the streams and rivers or on moist soil.
Semibarbula orientalis and Hyophila involuta grow on walls and bricks and Calymperes, Taxithelium and Erpodium grow on the bark of trees.
www.sdnpbd.org /sdi/international_days/wed/2006/bangladesh/naturalres/biodiversity.htm   (6116 words)

  
  hornwort --  Encyclopædia Britannica   (Site not responding. Last check: 2007-10-29)
In some classification systems, hornworts have been grouped as horned liverworts in the subclass Anthocerotidae (class Hepaticae), class Anthocerotopsida, order Anthocerotales, or entirely separated from the bryophytes in the division…
In some classification systems, hornworts have been grouped as horned liverworts in the subclass Anthocerotidae (class Hepaticae), class Anthocerotopsida, order Anthocerotales, or entirely separated from the bryophytes in the division Anthocerotophyta.
The plant bodies of liverworts and hornworts represent the gametophytic (sexual) phase of the life cycle, which is dominant in these plants.
www.britannica.com /eb/article-9041094   (419 words)

  
 The Moss Flora of Britain and Ireland - Cambridge University Press
Thus in the generic key in dichotomy 86, Coscinodon is separated from Grimmia and Schistidium by having plicate leaves, but in Continental Europe Coscinodon humilis Milde lacks leaf plicae and Grimmia caespiticia (Brid.) Jur.
Traditionally, the division Bryophyta has included three classes, Hepaticopsida or Marchantiopsida (liverworts), Anthocerotopsida (hornworts) and Musci (mosses).
Recent evidence, however, suggests that at an early stage in the evolution of terrestrial plants the liverworts diverged from other land plants, then hornworts diverged and finally mosses (see Willis & McElwain, 2002).
www.cup.cam.ac.uk /aus/catalogue/catalogue.asp?isbn=0521816408&ss=exc   (3072 words)

  
 What Are Bryophytes
Bryophytes are a group of small, simple, green land dwelling plants of which, a few are aquatic comprising of Hornworts (Anthocerotopsida), Liverworts (Hepaticopsida), and Mosses (Bryopsida).
These are the largest group of land plants, which number about 25,000 different species found though out the world.
Each spore germinates to produce a gametophyte, thus completing the cycle.
www.hiddenforest.co.nz /bryophytes/what.htm   (299 words)

  
 hornwort - Encyclopedia.com
Any member of four to six genera of creeping annual or perennial plants of the class Anthocerotopsida.
Hornworts usually grow on damp soils or on rocks in tropical and warm temperate regions.
More information is at your fingertips at HighBeam Research:
www.encyclopedia.com /doc/1B1-367372.html   (191 words)

  
 NON-VASCULAR EMBRYOPHYTES
Leiosporoceros is a sister group to the rest of the hornworts with one or two clades.
The systems of Stotler and Crandall-Stotler (2005) and Frey and Stech (2005) differ in the ordinal structure of the Anthocerotopsida.
Stotler and Crandall-Stotler (2005) have two orders (as given below) while Frey and Stech (2005) reorganize the the class into three orders.
comenius.susqu.edu /bi/202/Plants/Bryophyta/anthocerotophyta.htm   (566 words)

  
 Welcome to Nagarjuna University.com
A general account of structure, reproduction, life-cycle patterns, ecology and phylogenetic relations of Chlorophyta, Charophyta, Xanthophyta, Bacillariophyta, Phaeophyta and Rhodophyta.
UNIT -II Bryophytes: General characters, thallus range, reproduction and evolutionary trends in Hepaticopsida, Anthocerotopsida and Bryopsida.
Pteridophytes: A general account of structure, reproduction and evolutionary trends in Psilotopsida, Lycopsida, Sphaenopsida and Pteropsida.
www.nagarjunauniversity.ac.in /syllabus.asp?paperid=Pgbot101&id=1   (116 words)

  
 Mosses   (Site not responding. Last check: 2007-10-29)
Our goal is not only to see the form of these organisms, but also to begin to understand their life cycles, and follow the evolution leading to higher plants on earth.
Three classes of plants are recognized within division Bryophyta: Hepaticopsida (liverworts), Anthocerotopsida (hornworts), and Bryopsida (mosses).
Liverworts show us the transition from algae to bryophytes without conducting tissue.
koning.ecsu.ctstateu.edu /Plant_Biology/Mosses.html   (2369 words)

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