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Topic: Hornwort

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	Hornworts - Introduction
		The name "hornwort" refers to the long thin sporophytes, which are embedded in the top of the plant and remain attached to and continue to grow throughout its life.
		Hornworts are similar in appearance to the thallose liverworts and are difficult to recognise if the sporophytes are not present there gametophyte range in size from 10 mm to 20 mm along their longest axis.
		Hornworts are green and strap shaped and do not have any leaves or stem but are attached to the ground by rhizoids.
	www.hiddenforest.co.nz /bryophytes/hornworts/intro.htm (244 words)

	Greater Wellington - Hornwort
		Hornwort is a vigorous submerged freshwater perennial, which has the ability to form dense mats that smother other species.
		Hornwort has the ability to flourish in still or slow flowing water in depths up to 10 metres and produce stems up to 6 metres long.
		Hornwort is currently of limited distribution in areas in the Wellington region.
	www.gw.govt.nz /section901.cfm (441 words)

	Plant of the Week 02/16/2004: Hornwort (Anthoceros) (Site not responding. Last check: 2007-10-19)
		Hornworts belong to the Anthocerophyta, a division with six genera and about one hundred species scattered about the globe.
		Hornworts inhabit moist to wet soils and tolerate brief periods of inundation.
		Hornworts have an alternation of generations; one generation, the gametophyte, is haploid with a single set of chromosomes.
	www.killerplants.com /plant-of-the-week/20040216.asp (296 words)

	Horrible hornwort threatens South Island lakes - NIWA Science (Site not responding. Last check: 2007-10-19)
		Overseas, hornwort is often regarded as a weed of more nutrient-enriched waters; however, the spread of this weed into Lake Taupo and Lake Tarawera is evidence that in New Zealand it can also do well in more unsullied lakes, particularly in sheltered bays and at deeper depths.
		Hornwort is popular overseas for use in aquariums and ornamental ponds and it was probably introduced into New Zealand for these purposes.
		Until recently hornwort had not managed to spread to the South Island, but in 2002 the plant was found in a stream and several ponds near Motueka.
	www.niwascience.co.nz /pubs/wa/13-3/hornwort (1094 words)

	Hornwort - Wikipedia, the free encyclopedia
		The exceptions are the genera Notothylas and Megaceros, which do not have stomata.
		Hornwort spores are relatively large for bryophytes, measuring between 30 and 80 µm in diameter or more.
		Hornwort species in the United States and Canada
	en.wikipedia.org /wiki/Hornwort (1126 words)

	Bonniesplants.com Hornwort (Site not responding. Last check: 2007-10-19)
		Each bunch is weighted so it can be dropped the to the bottom of the pond OR you may remove the weight and let it float OR if you prefer you can pot the plant in dirt and cover the dirt with gravel/small stones.
		Hornwort is very easy to grow and submerged plant that is bright green and feathery.
		Not only does hornwort provide oxygen to the water but it also provides hiding places for the fish and a place for them to spawn (lay eggs).
	www.bonniesplants.com /oxygenators/Hornwort.htm (154 words)

	HornwortFAQs
		Hornwort is found all over the world and adapts to different conditions.
		Hornwort is a multi-million dollar pest for North Island hydro-electric power generators, principally because it causes blockages in dam turbines (the scope for disruptions to South Island HEP schemes is potentially even greater).
		Hornwort is also capable of displacing the majority of our native macrophyte species and even some of our most invasive introduced macrophytes including Egeria, Elodea, Lagarosiphon.
	www.wetwebmedia.com /PlantedTksSubWebIndex/hornwortfaqs.htm (1704 words)

	Introduction to the Anthocerotophyta
		Most people are unaware of hornworts, though they are a quite common and widespread group of plants which may be found in tropical forests, along streamsides, and in disturbed fields around the world.
		Hornworts are a problematic group for evolutionary biologists.
		Such a late date for oldest fossils of hornworts is curious, considering that most cladistic analyses of living plants suggests that the group originated early in the history of land plants, probably before the Devonian, and should be one of the oldest lineages of plants.
	www.ucmp.berkeley.edu /plants/anthocerotophyta.html (644 words)

	[No title]
		Hornwort is a very common water plant throughout the world.
		That may be true, but the common hornwort's tropical form is a beautiful aquarium plant, being much more colourful than the spineless one, as the photograph of Ceratophyllum demersum shows.
		Common hornwort also flowers readily in a tropical aquarium - the specimen in the photo is in flower - but the flowers are underwater and very insignificant, being little more than buds on the main (pink) stem.
	www.4qd.org /Aqua/hornwort.html (621 words)

	How does hornwort benefit from cyanobacteria? - Weird Plants (Site not responding. Last check: 2007-10-19)
		Hornworts are members of the Anthocerophyta, plants that together with liverworts and mosses are classified as bryophytes.
		Hornworts are easy to miss; the leafy haploid gametophytes are only a couple of centimeters across, the spiky diploid sporophytes are only a centimeter or two tall.
		The hornwort depends upon a symbiont, Nostoc, a nitrogen-fixing cyanobacteria (blue-green algae).
	www.killerplants.com /weird-plants/20040219.asp (577 words)

	Hornwort, Ceratophylum demersum
		A rootless plant, Hornwort can be kept floating at the top of the aquarium or buried in the gravel to suit your taste.
		Hornwort is an easy plant to care for since it can be kept in many aquarium environments, such as coldwater aquariums and tropical aquariums.
		Hornwort is a great plant very easy to care for and it reproduces by itself.
	animal-world.com /encyclo/fresh/plants/StemPlants/hornwort.php (452 words)

	Hornwort Pictures
		Internal to the single-layered epidermis is the assimilative zone with reddish, elongated chloroplasts.
		Color light micrograph of a stomate from epidermis of a hornwort sporophyte.
		Epidermal cells of a hornwort gametophyte stained with acid fuchsin to highlight the pyrenoid with the large, solitary, starch-laden chloroplasts.
	www3.uakron.edu /biology/hornworts/pictures.html (492 words)

	Liverwort Reproduction
		The sexual reproduction of hornworts is similar to that of other bryophytes.
		In some species they have separate male and female plants, In others the male (antheridium) and female (archegonium) sexual organs are on the same plant.
		The hornwort germinates directly from the spores, producing a flat thalloid plant with a greasy blue-green colour, which is the next generation of gametophyte.
	www.hiddenforest.co.nz /bryophytes/hornworts/reproduction.htm (205 words)

	Coontail (Ceratophyllum demersum) -A native aquatic plant in Washington (Site not responding. Last check: 2007-10-19)
		Coontail (Ceratophyllum demersum) is a completely submersed plant commonly seen in Washington lakes with moderate to high nutrient levels.
		It is also known by the common name hornwort.
		The common names refer to its full, bottle-brush-like growth form and its forked, antler-shaped leaves.
	www.ecy.wa.gov /programs/wq/plants/native/coontail.html (509 words)

	Badman's Tropical Fish - Archives: Plant ID - some sort of hornwort?
		What I do know is that my husband called it coon tail moss, which is what I've seen hornwort listed as sometimes so I went from there and started looking.
		I found that lakes that have recently gone through a change, like evaporation and lower than normal water levels, drought and things like that seem to initiate it's growth and it doesn't do much harm and will go away eventually.
		I found two names of plants, one of which is the common hornwort and another type of hornwort and both don't really match, or maybe they do.
	badmanstropicalfish.com /discus/messages/18/23974.html?1091132961 (233 words)

	Pond Plants (Site not responding. Last check: 2007-10-19)
		Hornwort, also known as Coontail, has sturdy, layered hair-like foliage that helps oxygenate and clarify the water as well as keep algae growth to a minimum.
		It is found free-floating worldwide, in moving and still waters, or loosely anchored in muddy bottoms.
		Hornwort leaves are dark green and grow from a 1/2 to 1-1/2 inches long on stems that can reach 24 inches in length.
	www.thecajunconnection.com /hornwort.html (145 words)

	Search for products to control Hornwort based upon pesticides registered in various states to control Hornwort (Site not responding. Last check: 2007-10-19)
		Hornwort is a 'pest' (an unwanted organism) that can be controlled through the use of pesticides.
		Pesticides, such as products to control Hornwort, are regulated by State Departments of Agriculture.
		To find all products ever registered at EPA to control Hornwort: www.kellysolutions.com/epadata (login as username: 'Guest' and password: 'Guest' - your results will be limited to 5 items).
	www.kellysolutions.com /searchpests/Hornwort.htm (388 words)

	hornwort, hornwort care, Ceratophyllum demersum, freshwater plants, aquatic plants (Site not responding. Last check: 2007-10-19)
		hornwort, hornwort care, Ceratophyllum demersum, freshwater plants, aquatic plants
		Ceratophyllum demersum, also known as Hornwort, is a genuine cosmopolitan found all over the globe.
		It has no true roots but can be planted in the bottom.
	www.geocities.com /elgecko1989/hornwort.html (119 words)

	Hornwort - Pet Solutions
		Hornwort,Ceratophyllum demersum, is a hardy plant that has found its way into a number of planted aquariums.
		Hornwort's ability to thrive in a wide variety of water conditions is a very appealing characteristic.
		The fast growth of Hornwort also draws a number of aquarists to help keep nutrient levels and possible algae blooms under control.
	www.petsolutions.com /Hornwort-I-99540-I-C-3-C-.aspx (211 words)

	The complete nucleotide sequence of the hornwort (Anthoceros formosae) chloroplast genome: insight into the earliest ...
		The complete nucleotide sequence of the hornwort (Anthoceros formosae) chloroplast genome: insight into the earliest land plants -- Kugita et al.
		that hornworts are the sister to vascular plants.
		Turmel,M., Otis,C. and Lemieux,C. (2002) The chloroplast and mitochondrial genome sequences of the charophyte Chaetosphaeridium globosum: insights into the timing of the events that restructured organelle DNAs within the green algal lineage that led to land plants.
	nar.oxfordjournals.org /cgi/content/full/31/2/716 (3055 words)

	Horwort Homepage
		The primary mission of this web site is to facilitate the dissemination of data collected a number of researchers investigating various aspects of hornwort biology.
		The goals of this collaborative project are to: 1) produce a molecular phylogeny of Anthocerotes, 2) produce a new classification of hornworts at higher taxonomic levels 3) investigate biogeographic and phylogeographic patterns among genera and species of hornworts.
		Molecular circumscription of the hornworts (Anthocerotophyta) based on the chloroplast DNA trnL-trnF region.
	www3.uakron.edu /biology/hornworts/hornworts.html (338 words)

	Hornwort growing in an outside tub - TT - Turtle Forums
		I will be ordering online in bulk and need a fast growing plant taht will (hopefully) grow faster than my RES can eat it.
		Hornwort is not eaten much but it is a terrific oxygenator.
		Alot of people said that hornwort makes a horrific mess.
	www.turtletimes.com /Forums/index.php?showtopic=37671 (420 words)

	Ceratophyllum demersum (hornwort)
		Commonly called Hornwort, this is an old standby that will grow where other plants won't, though I've heard it does not grow well in softer water.
		In lower light it is somewhat thin and bright green.
		It's also very handy for using in bare tanks since it doesn't need gravel.
	naturalaquariums.com /plants/ceratophyllum.html (113 words)

	Hornwort (Site not responding. Last check: 2007-10-19)
		These stems are brittle and can easily break up in strong currents.
		Hornwort does not produce roots and if broken both pieces will continue to grow.
		The plant tends to grow horizontally and can reach a length of 48cm.
	www.pufferfish.co.uk /aquaria/plants/hornwort.htm (62 words)

	Badman's Tropical Fish - Archives: Hornwort
		As I was told my Tin Foils love chewing hornwort.
		I'm ok with that but I have a question.
		i am not sure even hornwort can outgrow a tin foils appetite.
	badmanstropicalfish.com /discus/messages/18/13754.html?1071869770 (298 words)

	Pond Plants and More - Online Catalog - PSH Hornwort (Ceratophyllum demersum) - Wide variety of water pond plants or ... (Site not responding. Last check: 2007-10-19)
		Pond Plants and More - Online Catalog - PSH Hornwort (Ceratophyllum demersum) - Wide variety of water pond plants or pond supplies
		A flowerless, non-rooting oxygenator with dark green bristly foliage.
		No portions of this site may be duplicated, in whole or in part, without written permission.
	www.pondsplantsandmore.com /item.html?PRID=133872 (170 words)

	RNA editing in hornwort chloroplasts makes more than half the genes functional -- Kugita et al. 31 (9): 2417 -- Nucleic ...
		RNA editing in hornwort chloroplasts makes more than half the genes functional -- Kugita et al.
		Yoshinaga,K., Iinuma,H., Masuzawa,T. and Ueda,K. (1996) Extensive RNA editing of U to C in addition to C to U substitution in the rbcL transcripts of hornwort chloroplasts and the origin of RNA editing in green plants.
		Kugita,M., Kaneko,A., Yamamoto,Y., Takeya,Y., Matsumoto,T. and Yoshinaga,K. (2003) The complete nucleotide sequence of the hornwort (Anthoceros formosae) chloroplast genome: insight into the earliest land plants.
	nar.oxfordjournals.org /cgi/content/full/31/9/2417 (3826 words)

	hornwort - Dictionnaire Français-Anglais WordReference.com
		We found no English translation for 'hornwort' in our French to English Dictionary.
		Or did you want to translate 'hornwort' from English to French?
		Forum discussions with the word(s) 'hornwort' in the title:
	www.wordreference.com /fren/hornwort (41 words)

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