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Topic: Notothylas


In the News (Sat 19 Dec 09)

  
  Bryophyta - LoveToKnow 1911
Usually they form larger or smaller tufts of a green colour, but some forms have a reddish tint.
Notothylas resembles Anthoceros in its thallus, but the sporogonium is much smaller.
In some species, although the columella and archesporium arise in the usual way, both give rise to mingled spores and elaters, and no sterile columella is developed.
www.1911encyclopedia.org /Bryophyta   (11068 words)

  
 New Zealand Anthocerotae (Hornworts)
Sporophytes may reach lengths of 12 cm; first division of the zygote is by a longitudinal line (this is different from all other bryophytes); endothecium becomes the columella and the amphithecium produces the sporogenous layer and jacket; the sporogenous layer overarches the columella early in development.
The sporophyte is covered in a multistratose jacket with stomata (except in Dendroceros and Notothylas where they are absent and rudimentary in Megaceros); hypoepidermal cells with two chloroplasts per cell; outer layer sometimes with thickened transverse walls; sporogenous layer unistratose until meiosis.
Notothylas is characterised by a very short sporophyte (only about 5 mm long it looked), yellow-brown spores, reduced pseudoelaters, and simultaneous spore maturation.
www.peripatus.gen.nz /Taxa/Bryophyta/NZAnthocerotae.html   (1908 words)

  
 Bryophyta
The class Anthocerotae comprises a single order, the Antherocerotales, which in turn comprises only one of two familys, the Anthocerotaceae, and some place the genus Notothylas in its own family, the Notothyaceae.
Five to nine genera are recognised, including Anthoceros, Megaceros, Dendroceros, Phaeoceros (sometimes, as here, treated as a subgenus or partial synonym of Aspiromitus or Anthoceros), Folioceros, and Notothylas.
These are widely distributed in temperate and tropical latitudes; all genera found in tropics and subtropics; most found on moist mineral soil of banks and cliffs, among grasses, and along streams, from sea level to alpine elevations.
www.peripatus.gen.nz /Taxa/Bryophyta/Index.html   (259 words)

  
  List of web sites about Anthocerotales: Notothyladaceae
Notothylas orbicularis - Color light micrograph showing longitudinal section of sporophyte with central columella and spores separated by pseudoelaters that extend from the columella to the epidermis.
Notothylas orbicularis - SEM of longitudinally-sectioned mature sporophyte showing spore tetrads and interspersed pseudoelaters.
Notothylas temperata - TEM showing three of the four spores present in a tetrad.
www.kub.it /dir/498540   (332 words)

  
 Koeltz Scientific Books: Main Search Page
(Taxonomic characters used for species recognition/ Key to the Indian species of Folioceros - Folioceros udarii Asthana et Srivastava/ F. assamicus Bharad/ etc.)/ Notothylaceae Mueller/ Notothylas Sull./ Key to the Indian subgenera of Notothylas/ Notothylas subgenus Nothothylas subgen.nov./ Notothylas subgenus Notothyloides subgen.nov./ Taxonomic characters used for species recognition in Notothylas subgen.
Notothyloides/ Key to the Indian species of Notothylas subgenus Notothyloides/ Phaeocerotaceae Bharad./ Key to the Genera of Phaeocerotaceae/ Phaeoceros Prosk./ etc.
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www.koeltz.com /cat.cfm?Username=&CurrentCat=70009&CurrentType=Mon&Page=0   (955 words)

  
 Rhodes eResearch Repository - Comparative ultrastructure of plasmodesmata of Chara and selected bryophytes: towards an ...
We have used transmission electron microscopy to examine plasmodesmata of the charophycean green alga Chara zeylanica, and of the putatively early divergent bryophytes Monoclea gottschei (liverwort), Notothylas orbicularis (hornwort), and Sphagnum fimbriatum (moss), in an attempt to learn when seed plant plasmodesmata may have originated.
In addition, Monoclea was found to have branched plasmodesmata, and plasmodesmata of Sphagnum displayed densely staining regions around the neck region, as well as ring-like wall specializations.
Based on these results it appears that plasmodesmata of Chara may be less specialized than those of seed plants, and that complex plasmodesmata probably evolved in the ancestor of land plants before extant lineages of bryophytes diverged.
eprints.ru.ac.za /330   (282 words)

  
  BRYOPHYTA - LoveToKnow Article on BRYOPHYTA   (Site not responding. Last check: 2007-11-02)
Usually they form larger or smaller tufts Of a green color, but some forms have a reddish tiOt.
Anthocerotales.This small and very natural group includes the three genera Anthoceros, Dendroceros and Notothylas, and stands in many respects in an isolated position among the Bryophyta.
Three species of Anihoceros occur in Britain, growing on the damp soil of fields, ditches, andc.
1.1911encyclopedia.org /B/BR/BRYOPHYTA.htm   (11103 words)

  
 CSIRO PUBLISHING - Functional Plant Biology
and Notothylas Sull.) and pyrenoid-lacking (Megaceros Campbell) hornworts, with the liverwort Marchantia polymorphaL.
We found that Notothylas has more CCM activity than Phaeoceros, and that Megaceros has the least CCM activity.
Notothylas and Phaeoceros had compensation points from 11–13 parts per million (ppm) CO, lower K
www.publish.csiro.au /nid/102/paper/PP01210.htm   (230 words)

  
 Taylor, Wilson A.*, Timothy R. Johnson, and J. David Buss.   (Site not responding. Last check: 2007-11-02)
In this poster, we present information on the spore wall of representatives of four distinct genera - Notothylas, Phaeoceros, Anthoceros and Dendroceros.
Notothylas and Phaeoceros have walls composed of at least three separate layers - the inner of which is fibrillar - as well as some kind of structural modification at the equator (cingulum) that forms a zone of weakness.
These similarities support preliminary molecular phylogenies that unite these genera as sister taxa.
www.botany2002.org /section7/abstracts/45.shtml   (289 words)

  
 Phylogeny and diversification of bryophytes -- Shaw and Renzaglia 91 (10): 1557 -- American Journal of Botany
Notothylas is the only hornwort taxon in which growth
sporophytes in Notothylas are not representative of the ancestral
Notothylas is an ephemeral hornwort that grows as
www.amjbot.org /cgi/content/full/91/10/1557   (5850 words)

  
 Notothylas fertilis (Milde) Milde - >>Notothylas orbicularis var. orbicularis   (Site not responding. Last check: 2007-11-02)
Notothylas fertilis (Milde) Milde - >>Notothylas orbicularis var.
If you would like to find more information on Notothylas fertilis (Milde) Milde or >>Notothylas orbicularis var.
If you still can't seem to find the information on Notothylas fertilis (Milde) Milde or >>Notothylas orbicularis var.
www.mygarden.net.au /name_detail/nofe2/58792/1   (657 words)

  
 PLANTS Profile for Notothylas orbicularis (round notothylas) | USDA PLANTS
PLANTS Profile for Notothylas orbicularis (round notothylas)
Click on a thumbnail to view an image, or see all the Notothylas thumbnails at the PLANTS Gallery
View 1 genera in Notothyladaceae, 2 species in Notothylas or click below on a thumbnail map or name for species profiles.
plants.usda.gov /java/profile?symbol=NOOR   (98 words)

  
 Notothylas amazonica Spruce - >>Notothylas breutelii
>Notothylas breutelii Gardening Garden plant names database gardening tips tricks forum">
If you would like to find more information on Notothylas amazonica Spruce or >>Notothylas breutelii, be sure to check our content pages and our gardening resources pages.
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www.mygarden.net.au /name_detail/noam/58787/1   (609 words)

  
 NON-VASCULAR EMBRYOPHYTES
Anthoceros growing with the horn-like sporophytes emerging from the thalloid gametophytes.
Notothylas, a hornwort with very short and reduced sporophyte capsules.
The following description came from Margulis and Schwartz (1998), Bold et al.
comenius.susqu.edu /bi/202/Plants/Bryophyta/anthocerotophyta.htm   (566 words)

  
 Indian Hornworts. ISBN 3-443-62014-0
88 KEY TO THE INDIAN SUB GENERA OF NOTOTHYLAS 89 NOTOTHYLAS SUBGENUS NOTOTHYLAS SUBGEN.
NOTOTHYLAS OF INDIA 89 KEY TO THE INDIAN SPECIES OF NOTOTHYLAS SUBGENUS NOTOTHYLAS 93 22.
pandei Udar et Chandra 104 NOTOTHYLAS SUBGE NUS NOTOTHYLOIDES SUBGE N. Notothylas pfleidereri Udar et Singh 109 28.
www.schweizerbart.de /pubs/isbn/bo/bryophytbi-3443620140-desc.html   (167 words)

  
 Digital Flora of Texas Vascular Plant Image Library query results: Notothylas   (Site not responding. Last check: 2007-11-02)
Digital Flora of Texas Vascular Plant Image Library query results: Notothylas
Sorry, your query Notothylas returned nothing from the DFT Digital Library of Vascular Plant Images - no image references include the term: Notothylas
End of DFT Digital Library of Vascular Plant Images output for the query: Notothylas
www.csdl.tamu.edu /FLORA/cgi/gallery_query?q=Notothylas   (58 words)

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