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Pteridophyta, there is a general presumption that the multiciliate ones of Isoetes .. definite strobili, as in some species of Lycopodium and in Phyllo- glossum, or . in the Pteridophyta, in order that those facts may have their due weight in .. branched strobilus condition, suggesting a comparison with Phyllo – glos sum. 46 . Pteridophyta, there is a general presumption that the multiciliate ones of . On tbe otber band it does not seem conceivable tbat so small a plant as Phyllo-.

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Views Read Edit View history. Indicators of phosphorus deficiency in Azolla pinnata Salviniales, Pteridophyta. It is present in New Zealand as an introduced species and an invasive weed that has crowded ptefidophyta a native relative, Azolla rubra.

Curculionidaeuses the invasive old world Azolla pinnata as a host plant. Azolla Azolla pinnata as a feed ingredient in broiler ration.

Polypodium – Wikipédia, a enciclopédia livre

It grows in quiet and slow-moving water bodies, because swift currents and waves break up the plant. Azolla pinnata is a species of fern known by several common names, including mosquitofern[1] feathered mosquitofern and water velvet.


The frond is made up of many rounded or angular overlapping leaves each 1 or 2 millimeters long. Arabian Journal for Science and Engineering. Acta Botanica Hungarica International Journal of Poultry Science 5: Azolla pinnata Plant List: From Wikipedia, the free encyclopedia. Retrieved from ” https: Desalination and Water Treatment. This is a small fern with a triangular frond measuring up to 2. The first method is by adsorptionwhich required the A.

They are green, blue-green, or dark red in color and coated in tiny hairs, giving them a velvety appearance. Webarchive template wayback links All articles with dead external links Articles with dead external links from October Articles with permanently dead external links Articles with ‘species’ microformats Taxonbars with 25—29 taxon IDs.

Archived from the original PDF on 25 May Rice farmers sometimes keep this plant in their paddies because it generates valuable nitrogen via its symbiotic cyanobacteria. Biomass production of Azolla pinnata R. Azolla pinnata Scientific classification Kingdom: Archived at the Wayback Machine. In other projects Wikimedia Commons Wikispecies. Water, Air, and Soil Pollution.

File:Dicranopteris linearis ( Pteridophyta ).jpg – Wikimedia Commons

In adsorption studies, A. The plant reproduces vegetatively when ptedidophyta break off the main axis, or sexually when sporocarps on the leaves release spores. Recent studies show the usefulness of Azolla pinnata in remediation of environmental pollutants.


It is an aquatic plantits frond floating upon the surface of the water. Wikimedia Commons has media related to Azolla pinnata. Retrieved 26 January — via Korea Forest Service.

Environmental Monitoring and Assessment. Waste and Biomass Valorization. The fioo will adhere to the organic functional groups on the surface of the A. International Journal of Poultry Science 1: Chemical composition and the feeding value of azolla Azolla pinnata meal for egg-type chicks.

File:Blechnum (Pteridophyta).jpg

The second remediation method is phytoremediation, where living A. Archived July 10,at the Wayback Machine. There are two main methods for utilising A.

International Journal of Phytoremediation.

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