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Topic: Ceratophyllum

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	Ceratophyllum demersum {Ceratophyllaceae} #200600007 L:2306 Q:1
		Description: Ceratophyllum demersum has whirled leaves which are densely crowded at the apex of beautifully branched stems, whereas internodes may exceed 3 cm in length at the base of older stems.
		Ceratophyllum demersum is an obligate submerged perennial plant which does not form roots.
		Ceratophyllum demersum often forms monospecific populations and is found down to 10 m depth as individual very slow-growing plants.
	florawww.eeb.uconn.edu /acc_num/200600007.html (138 words)

	Ceratophyllum - Wikipedia, the free encyclopedia
		Ceratophyllum is a cosmopolitan genus of flowering plants, commonly found in ponds, marshes, and quiet streams in tropical and in temperate regions.
		Ceratophyllum grows completely submerged, usually though not always floating on the surface.
		Ceratophyllum is unique enough to warrant its own family, the Ceratophyllaceae, and in newer systems its own order, the Ceratophyllales.
	en.wikipedia.org /wiki/Ceratophyllum (296 words)

	Ceratophyllum demersum - Hornwort (Site not responding. Last check: 2007-11-01)
		Ceratophyllum demersum has whirled leaves which are densely crowded at the apex of beautifully branched stems, whereas inter-nodes may exceed 3 cm in length at the base of older stems.
		Ceratophyllum demersum is an obligate, submerged perennial plant which does not form roots.
		Ceratophyllum demersum often forms monospecific populations and is found down to 10m depth as individual very slow-growing plants.
	species.fishindex.com /plant_18.html (159 words)

	Aqua Botanic - RESPONSES OF SUBMERSED VASCULAR PLANT COMMUNITIES TO ENVIRONMENTAL CHANGE: RESPONSES OF SUBMERSED PLANTS ...
		Ceratophyllum demersum was the dominant submersed plant before the rains, but it appeared to succumb to increased turbidity and wind action that resulted from increased fetch as the water level rose.
		Ceratophyllum demersum Elodea canadensis Heteranthera dubia Najas flexilis Potamogeton pectinatus Potamogeton sub sec.
		Ceratophyllum demersum and Potamogeton pectinatus are widespread, Vallisneria americana extends from south to north with rather spotty distribution, P.
	www.aquabotanic.com /paper2-7.html (3000 words)

	Proceedings of the Oklahoma Academy of Science
		Ceratophyllum demersum L. Ceratophyllaceae; Hornwort or Coontail) is a common submersed nuisance species of considerable economic importance in the United States, since its proliferation often clogs waterways.
		The only report of successful germination of Ceratophyllum seeds (8) was based on a study conducted in mud-water culture.
		This percentage is consistent with previous sterility assays on aquatic plant seed cultures in the literature (3,4,5).
	digital.library.okstate.edu /OAS/oas_htm_files/v66/p27_29nf.html (1301 words)

	Ceratophyllum
		Ceratophyllum is a genus of flowering plant, commonly found in ponds, marshes, and quiet streams.
		At intervals along the stem they produce rings of leaves, which are narrow and often branched.
		Ceratophyllum is given its own family, the Ceratophyllaceae, and in newer systems its own order, the Ceratophyllales.
	www.ebroadcast.com.au /lookup/encyclopedia/ce/Ceratophyllum.html (123 words)

	KBD: Kew Bibliographic Databases: Search results (Site not responding. Last check: 2007-11-01)
		1988 The evolution of achene morphology in Ceratophyllum (Ceratophyllaceae): 2.
		1988 The evolution of achene morphology in Ceratophyllum (Ceratophyllaceae), 3.
		1986 The evolution of achene morphology in Ceratophyllum.
	www.kew.org /kbd/advancedsearch.do?keywords=Ceratophyllum (244 words)

	Ceratophyllum in Flora of North America @ efloras.org
		The evolution of achene morphology in Ceratophyllum (Ceratophyllaceae), I. Fruit spine variation and relationships of C.
		The evolution of achene morphology in Ceratophyllum (Ceratophyllaceae), II.
		The evolution of achene morphology in Ceratophyllum (Ceratophyllaceae), III.
	www.efloras.org /florataxon.aspx?flora_id=1&taxon_id=106192 (415 words)

	Aquarium Frontiers Aquatic Horticulture
		Ceratophyllum is a completely rootless plant, although it is capable of using modified lower leaves to anchor itself into the substrate, both in the wild and in the aquarium.
		Because the plant is found in both warm and cold climates, it is a good candidate for cool water tanks as well as tropical.
		Ceratophyllum produces tiny, inconspicuous flowers under the surface of the water.
	www.csd.net /~cgadd/aqua/ah_main/oct1999.html (1185 words)

	Brooklyn Botantic Garden: Plant Records
		A study of the anatomy and morphology of Ceratophyllum demursum M.S. Thesis.
		The morphology and biology of Ceratophyllum demersum] Stud.
		Les, D. The evolution of achene morphology in Ceratophyllum (Ceratophyllaceae), I. Fruit spine relationships of C.
	www.bbg.org /cgi/biblio/refquery.cgi?Ceratophyllum (345 words)

	Coontail (Ceratophyllum demersum) -A native aquatic plant in Washington
		Coontail (Ceratophyllum demersum) is a completely submersed plant commonly seen in Washington lakes with moderate to high nutrient levels.
		The Latin name Ceratophyllum pertains to the horned leaf edges - Cerato derives from the Greek word "keras" (horn, as in rhinoceros).
		The serrated, forked leaves of coontail are arranged on the stems in whorls, with usually 5-12 leaves in each whorl.
	www.ecy.wa.gov /programs/wq/plants/native/coontail.html (509 words)

	Ceratophyllum demersum in Flora of North America @ efloras.org
		Specimens of Ceratophyllum demersum with short basal spines or tubercles have been misidentified as C.
		Ceratophyllum demersum is the most common species of Ceratophyllum in North America and also the least likely to be found with fruit, its reproduction being primarily asexual.
		Noted for its prolific growth, Ceratophyllum demersum occasionally has attained status as a serious weed.
	www.efloras.org /florataxon.aspx?flora_id=1&taxon_id=200007091 (192 words)

	CeratophyllumHornwort or Foxtail
		Hornwort or Foxtail, Ceratophyllum demersum has dense whorls of bright or dark green, bristly foliage on slender brittle stems.
		Unlike most submerged aquatics, Ceratophyllum only “roots” for a short time, this temporary phenomena being due to the plant producing branches with rhizoids or modified root-like stems.
		Ceratophyllum is a declared weed in Tasmania and illegal to cultivate in that state.
	www.australianwatergardener.com /content.asp?articleId=116 (544 words)

	Re: Ceratophyllum demersum - or is it submersum? (Site not responding. Last check: 2007-11-01)
		>I have Ceratophyllum submersum (Tropical Hornwort), >which has no roots, and is a floating plant.
		Well, I'm certainly no expert, but the Latin origin of 'demersum' is 'demergere,' and that which is demersal is found on the bottom.
		There are apparently two varieties of Ceratophyllum demersum.
	fins.actwin.com /aquatic-plants/month.200007/msg00473.html (419 words)

	Goliad Farms, LP - Ceratophyllum demersum - Hornwort (Site not responding. Last check: 2007-11-01)
		Goliad Farms, LP - Ceratophyllum demersum - Hornwort
		Ceratophyllum demersum, Hornwort, is a North American species.
		This particular species is the only member of its very widespread species typically kept in aquaria.
	www.goliadfarms.com /pages/plants/ce_demer.htm (181 words)

	Common Hornwort, Ceratophyllum demersum
		Length and texture of the stems, degree of toothing on the leaves, and character of the fruit are all variable.
		A good pond oxygenator, it usually grows submerged in the water but is sometimes found floating on the surface.All Ceratophyllum species are obligately submerged aquatics and cannot tolerate periods of emergence.
		Adapted to grow at relatively low light intensities and therefore may be expected to tolerate shade better than most submerged aquatic plants.
	www.rook.org /earl/bwca/nature/aquatics/ceratophyllum.html (457 words)

	issg Database: Ecology of Ceratophyllum demersum
		Taxonomic name: Ceratophyllum demersum L. Synonyms: Ceratophyllum apiculatum Cham., Ceratophyllum demersum var.
		Ceratophyllum demersum is a native of North America.
		It was developed as part of the global initiative on invasive species led by the Global Invasive Species Programme (GISP) and is supported through partnerships with the National Biological Information Infrastructure, Manaaki Whenua-Landcare Research and the University of Auckland.
	www.issg.org /database/species/ecology.asp?si=281&fr=1&sts=sss (1446 words)

	ceratophyllum (Site not responding. Last check: 2007-11-01)
		This variability has lead to numerous species, subspecies and varieties being erected from different geographic regions.
		Ceratophyllum often remains persistent in water bodies in the presence of highly invasive weeds which may have displaced other native species.
		May undergo an annual cycle of sinking and partial decay of old stems in winter, and then rising to just below surface in spring as new growth starts.
	www.lucidcentral.com /keys/appw/nonkey/html/ceratophyllum.html (188 words)

	Submerged Macrophytes - NIWA Science (Site not responding. Last check: 2007-11-01)
		Ceratophyllum is an introduced submerged perennial that normally grows with the base of its stem buried in sandy or silty substrates, but it does not form roots.
		Flowers do occur on this monoecious species, but there is no evidence of seed production in New Zealand.
		Ceratophyllum occurs from Northland to Wairarapa and is still actively spreading.
	www.niwa.cri.nz /rc/prog/aquaticplants/species/submerged (2626 words)

	Amazon.com: Ceratophyllum (Site not responding. Last check: 2007-11-01)
		Lead detoxification by coontail (Ceratophyllum demersum L.) involves induction of phytochelatins and antioxidant system in response to its accumulation [An article from: Chemosphere by S. Mishra, S. Srivastava, R.D. Tripathi, and R. Kumar (Nov 1, 2006)
		Non-effect of water hardness on the accumulation and toxicity of copper in a freshwater macrophyte (Ceratophyllum demersum): How useful are hardness-modified...
		A study of the anatomy and morphology of Ceratophyllum demersum by Hilda Elena Aboy (Unknown Binding - 1936)
	www.amazon.com /s?ie=UTF8&keywords=Ceratophyllum&index=blended&page=1 (840 words)

	ceratophyllum (Site not responding. Last check: 2007-11-01)
		This variability has lead to numerous species, subspecies and varieties being erected from different geographic regions.
		Ceratophyllum often remains persistent in water bodies in the presence of highly invasive weeds which may have displaced other native species.
		May undergo an annual cycle of sinking and partial decay of old stems in winter, and then rising to just below surface in spring as new growth starts.
	www.lucidcentral.org /keys/appw/html/ceratophyllum.html (188 words)

	ExactAntigen ceratophyllum demersum antibodies (Site not responding. Last check: 2007-11-01)
		There is no antibody in ExactAntigen for ceratophyllum demersum.
		(2004) Cadmium-inducible proteins in Ceratophyllum demersum L. (a fresh water macrophyte): toxicity bioassays and relevance to cadmium detoxification.
		(2004) Cadmium toxicity to Ceratophyllum demersum L.: morphological symptoms, membrane damage, and ion leakage.
	www.exactantigen.com /species/plant/c/ceratophyllum-demersum-antibody.html (235 words)

	Comprehensive Report Association - Ceratophyllum demersum - Utricularia macrorhiza - Nymphaea odorata Herbaceous ...
		Ceratophyllum demersum - Utricularia macrorhiza - Nymphaea odorata Herbaceous Vegetation
		This community is dominated (or codominated) by Ceratophyllum demersum.
		Vegetation Summary: Stands of this vegetation are dominated (or codominated) by Ceratophyllum demersum.
	www.natureserve.org /explorer/servlet/NatureServe?searchCommunityUid=ELEMENT_GLOBAL.2.685039 (1097 words)

	ceratophyllum (Site not responding. Last check: 2007-11-01)
		Ceratophyllum is an aquatic plant that is characterized by fruits with ornate spines.
		These fruits have been found in a number of Paleocene, Eocene and Miocene localities in western North America where they sometimes occur right along with fish fossils.
		Some of them are so similar to modern forms that they have been assigned to modern species.
	lsweb.la.asu.edu /kpigg/ceratophyllum.htm (57 words)

	RNZIH - Horticulture Pages - Weeds - Ceratophyllum demersum - hornwort
		Ceratophyllum (Gr.) = horned leaved, the leaves resembling antlers; demersum (Lat.) = submerged.
		Biosecurity NZ have a National Pest Plant Accord page on Ceratophyllum demersum, also available here
		Weedbusters is a weeds awareness and education programme that aims to protect New Zealand's environment from the increasing weed problem.
	www.rnzih.org.nz /pages/ceratophyllumdemersum.htm (663 words)

	Re: Crypt growing w. Val and Ceratophyllum in sunlit tank
		) and C. balansae thrive along with Elodea, >Ceratophyllum and Vallisneria.
		The wendtii in fact have been in nearly >continuous, submersed bloom for the last 6 weeks.
		When I have it with Ceratophyllum or Vallisneria in a well-lit tank, its leaves slant downwards and it quits growing entirely and gradually deteriorates.
	fins.actwin.com /aquatic-plants/month.9703/msg00453.html (524 words)

	Define Ceratophyllum : powered by In Dictionary (InDicitonary.com) (Site not responding. Last check: 2007-11-01)
		Use the form below to search our dictionaries by entering a word you wish to define.
		Ceratophyllum n : constituting the family Ceratophyllaceae: hornworts [syn: genus Ceratophyllum]
		A court hears of a financial consultant's high spending on gambling and race horses as he appears for sentencing for theft from clients and a bank.
	www.indictionary.com /define/Ceratophyllum (186 words)

	PLANTS Profile for Ceratophyllum echinatum (spineless hornwort) \| USDA PLANTS
		See all the Ceratophyllum thumbnails at the PLANTS Gallery
		See available county distributions by clicking on the states below or on the map.
		Ceratophyllum echinatum Gray occures in the following states: Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Virginia, Vermont, Washington, Wisconsin, West Virginia
	plants.usda.gov /java/profile?symbol=CEEC2 (215 words)

	issg Database: References for Ceratophyllum demersum
		FBIS is offered as a nationally available resource for the New Zealand public, institutions and companies who need access to a well-maintained long-term data repository.
		Fukuhara, H., Tanaka, T. and Izumi, M. Growth and turion formation of Ceratophyllum demersum in a shallow lake in Japan.
		Pinowska, A. Effects of snail grazing and nutrient release on growth of the macrophytes Ceratophyllum demersum and Elodea canadensis and the filamentous green alga Cladophora sp.
	www.issg.org /database/species/references.asp?si=281&fr=1&sts= (2082 words)

	BONAP CERATOPHYLLACEAE Listing (Site not responding. Last check: 2007-11-01)
		Ceratophyllum L. demersum L. Present in the Texas flora and known locally as: Common hornward (Texas Distribution by vegetation zone) Synonymy: Ceratophyllum apiculatum Cham.
		, Ceratophyllum floridanum Fassett, Ceratophyllum llerenae Fassett, Ceratophyllum submersum ssp.
		Use your browser's 'back' button to return to the prior page, or return to the Biota of North America Program, Texas A&M Bioinformatics Working Group, or the entry page for the Vascular Plant Information Gateway.
	www.csdl.tamu.edu /FLORA/bonapfams/bonxxctp.htm (228 words)

	Ceratophyllum llerenae (Ceratophyllaceae) - HEAR species info (Site not responding. Last check: 2007-11-01)
		Information on Ceratophyllum llerenae as relevant to Pacific Islands is provided by the Pacific Island Ecosystems at Risk project (PIER).
		Nomenclatural information about Ceratophyllum llerenae is provided by ITIS.
		The content of this page was last regenerated on or after 12 April 2007 by PT.
	www.hear.org /species/ceratophyllum_llerenae (218 words)

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