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Pistia stratiotes L.

Accepted
Pistia stratiotes L.
Pistia stratiotes L.
Pistia stratiotes L.
Pistia stratiotes L.
Pistia stratiotes L.
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🗒 Synonyms
synonymApiospermum obcordatum (Schleid.) Klotzsch
synonymLimnonesis commutata (Schleid.) Klotzsch
synonymLimnonesis friedrichsthaliana Klotzsch
synonymPistia aegyptiaca Schleid.
synonymPistia aethiopica Fenzl ex Klotzsch
synonymPistia africana C.Presl
synonymPistia amazonica C.Presl
synonymPistia brasiliensis Klotzsch
synonymPistia commutata Schleid.
synonymPistia crispata Blume
synonymPistia cumingii Klotzsch
synonymPistia gardneri Klotzsch
synonymPistia horkeliana Miq.
synonymPistia leprieuri Blume
synonymPistia linguiformis Blume
synonymPistia minor Blume
synonymPistia natalensis Klotzsch
synonymPistia obcordata Schleid.
synonymPistia occidentalis Blume
synonymPistia schleideniana Klotzsch
synonymPistia spathulata Michx.
synonymPistia stratiotes var. cuneata Engl.
synonymPistia stratiotes var. linguiformis Engl.
synonymPistia stratiotes var. obcordata (Schleid.) Engl.
synonymPistia stratiotes var. spathulata (Michx.) Engl.
synonymPistia texensis Klotzsch
synonymPistia turpinii K.Koch
synonymPistia weigeltiana C.Presl
synonymZala asiatica Lour.
🗒 Common Names
Assamese
  • Borpuni
English
  • Water lettuce/ Tropical duck weed
Other
  • English - Tropical duck-weed
  • French - Laitue d'Eau
  • 'gangavati' 'गंगावती' / 'gondval' 'गोंडवळ' / 'gondali' 'गोंडाळी' In Marathi.
  • Nile Cabbage
  • Pistie
  • Repollo de Agua
  • Salade du Nil
  • Spanish - Lechuguilla de Agua
  • Tropical Duckweed
  • Water Cabbage
  • Water Lettuce
  • Water Lily
📚 Overview
Overview
Summary
Aquatic herb
Dr. Chandra Barooah & Iftikher Ahmed (2014) Assam Science Technology and Environment Council.
AttributionsDr. Chandra Barooah & Iftikher Ahmed (2014) Assam Science Technology and Environment Council.
Contributors
admin
StatusUNDER_CREATION
LicensesCC_BY
References
    Brief
    Red List Category & Criteria: Least Concern ver 3.1 Year Assessed: 2010 Assessor/s: Gupta, A.K. Reviewer/s: Juffe Bignoli, D., Bounphanmy, S. & Homsombath, K. Contributors: Drius, M. Justification: This aquatic plant is widespread and common from Africa to southeast Asia. It has also been recorded in Mexico, central America, Caribbean islands and South America. It is a free-floating plant that occurs in lakes, ponds, rivers and other water bodies. The plant is used in China as animal food and fro medicinal purpose. It has also ornamental use as an aquarium plant. As no major threats have been reported the species is Listed as Least Concern. Conservation Actions: No conservation measures in place or needed.
    IUCN and ZOO 2011
    AttributionsIUCN and ZOO 2011
    Contributors
    StatusUNDER_CREATION
    LicensesCC_BY
    References
      Diagnostic Keys
      Description

      Description 

      Pistia stratiotes is a floating plant, drift, without rod, formed of a leaf rosette, 5 to 25 cm in diameter and short runner giving rise to daughter plants. A large network of fibrous roots dangling underwater. The leaves in dense rosette, sessile, broadly spatulate, fleshy, composed of a floating airy fabric. Both sides are hairy, greyish or yellowish green. Flowers are numerous, small and hidden at the base of the leaves, surrounded by a small room pale green or white leafy 7 mm long. The fruits are small elongated bays 6 to 10 mm long, containing several dark seeds.
      First Leaves
      First leaves rounded or obovate, only stalked, plated at the water surface of 1 to 2 mm in diameter. Black seed remains attached to the seedling some time.
      Habit
      Floating aquatic plant, drifting without stem, spathulate leaves form a dense rosette of 3-15 cm in height and 5-25 cm in diameter, quickly bentgrass.
      Underground System
      Many fibrous roots fibrous, pendulous, measuring up to 50 cm long, with multiple perpendicular rootlets.
      Stem
      The rod is reduced to indistinct tillering plate at the base of the leaves. Presence of lateral runners extending from the base sheet, cylindrical 1 to 5 mm in diameter, depending on the size of the mother plant at the end of which thrive girls plants. These stolons appear at the stage 3-4 leaves of young plants from germination.
      Leaf
      Leaves simple, alternate, sessile, spongy, dense spiral rosette. The limbus is spatulate, obovate with a rounded top and a truncated wedge base from 6 to 12 cm long and 3-6 cm wide, with 5-7 (13) sub-parallel veins especially salient to the underside. The upper surface is green and downy while the underside is paler and tomentum denser.
      Inflorescence
      Inflorescence small, hidden by leaves, carried by a very short stalk, about 4 mm long. It is formed of a whitish spathe long from 5 to 25 mm, persistent, smooth inside and outside tomenteuse forming two cavities.
      Flower
      The flower is formed of a whitish spathe long from 5 to 25 mm, persistent, smooth inside and outside tomenteuse forming two cavities. Inside there is a very reduced spadix, attached to the base of the husk on the one female flower in the lower cavity, without perianth and 2-8 apical male flowers in the upper cavity, inserted on a whorl axis underpinned by a shallow cup. The male flowers are reduced by 2 welded stamens. The female flowers are solitary, reduced to a unilocular ovary ovoid, inserted through the axis of the spadix, a lodge with several sessile ovules. The style is short, slightly curved towards the axis, topped with a globular stigma.
      Fruit
      The fruit is an ellipsoid bay 6 to 10 mm long and 3-6 mm wide, thin-walled, containing 4 to 12 seeds.
      Seed
      Ovoid or oblong seed, about 2 mm long and 1 mm wide at the truncated apex and depressed disk-shaped. Integument rough, dark brown.
      WIKWIO Project
      AttributionsWIKWIO Project
      Contributors
      StatusUNDER_CREATION
      LicensesCC_BY
      References
      1. http://portal.wikwio.org/species/show/260?lang=fr
      No Data
      📚 Natural History
      Reproduction

      Pistia stratiotes is an aquatic plant, floating, perennial that can be propagated by seed or vegetatively by issuing numerous stolons at the end of which form girls plants. When the old leaves decay, fruits fall and sink to the bottom of the water where they eventually rot, releasing the seeds. As soon as there was light, the seeds germinate on the bottom of the water. When the first leaves develop, the spongy tissue allows the seedling back and float on the surface. This species has a very rapid growth. It doubles its biomass every 10 to 15 days depending on the temperature of the water and nutrients. Biomass production is in the order of 200 t / ha.

      WIKWIO Project
      AttributionsWIKWIO Project
      Contributors
      StatusUNDER_CREATION
      LicensesCC_BY
      References
      1. http://portal.wikwio.org/species/show/260?lang=fr
      2. http://portal.wikwio.org/species/show/260?lang=fr
      Ecology
      A common aquatic weed that occurs in still water, ponds and pools or in slow flowing rivers and streams in East and West Africa
      P. stratiotes is a floating plant in fresh water, pH 4. Optimum temperature 22-30 ° C [15-35], enjoys high levels of N, P, K in the water.
      Comoros: Absent.
      Madagascar: floating aquatic species, Drift, which grows on stagnant or slow-flowing rivers, lakes and canals, sometimes forming real mattresses on the surface of the water. It is found mainly in wetlands, across the eastern side of the island and the Sambirano, up to 1400 m altitude. His presence is relatively limited in the western lowlands.
      Mauritius: Plant naturalized in rivers, ponds and some during calm water.
      Reunion: Species very abundant in all bodies of fresh water shoreline of the island. It is usually mixed with Eichhornia crassipes (Mart.) Solms.
      Seychelles: Species occasionally present in marshy areas.
      WIKWIO Project
      AttributionsWIKWIO Project
      Contributors
      StatusUNDER_CREATION
      LicensesCC_BY
      References
      1. http://portal.wikwio.org/species/show/260?lang=fr
      Miscellaneous Details
      It is commonly known as Chhota Kumbhi or Water Lettuce.
      IUCN and ZOO 2011
      AttributionsIUCN and ZOO 2011
      Contributors
      StatusUNDER_CREATION
      LicensesCC_BY
      References
        No Data
        📚 Habitat and Distribution
        General Habitat

        Habitat

        Freshwater
        Freshwater
        Miost areas
        Dr. Chandra Barooah & Iftikher Ahmed (2014) Assam Science Technology and Environment Council.
        AttributionsDr. Chandra Barooah & Iftikher Ahmed (2014) Assam Science Technology and Environment Council.
        Contributors
        StatusUNDER_CREATION
        LicensesCC_BY
        References
          Habitat and Ecology: It is a free-floating plant that is capable of forming dense mats on the surfaces of lakes, ponds, rivers and other water bodies. Systems: Freshwater List of Habitats: 5, 5.1, 5.5, 5.7
          IUCN and ZOO 2011
          AttributionsIUCN and ZOO 2011
          Contributors
          StatusUNDER_CREATION
          LicensesCC_BY
          References
            Description

            Origin
            Uncertain origin, probably native to South America (Rivers, 2002).

            World distribution
            It is present in all subtropical and warm temperate tropical regions
            WIKWIO Project
            AttributionsWIKWIO Project
            Contributors
            StatusUNDER_CREATION
            LicensesCC_BY
            References
            1. http://portal.wikwio.org/species/show/260?lang=fr
            Global Distribution

            India: Assam

            Indian Distribution

            Assam

            Dr. Chandra Barooah & Iftikher Ahmed (2014) Assam Science Technology and Environment Council.
            AttributionsDr. Chandra Barooah & Iftikher Ahmed (2014) Assam Science Technology and Environment Council.
            Contributors
            StatusUNDER_CREATION
            LicensesCC_BY
            References
              Range Description: Widespread and common species from Africa to southeast Asia. It has also been recorded in Mexico, central America, Caribbean islands and South America. Countries - Native: Afghanistan; Angola; Antigua and Barbuda; Argentina; Australia (Northern Territory, Queensland); Bangladesh; Belize; Benin; Bolivia; Botswana; Brazil; Brunei Darussalam; Burkina Faso; Burundi; Cambodia; Cameroon; Canada; Central African Republic; Chad; China (Anhui, Fujian, Guangdong, Guangxi, Hebei, Hunan, Jiangsu, Shandong, Sichuan, Yunnan, Zhejiang); Colombia; Comoros; Congo; Costa Rica; Côte d'Ivoire; Cuba; Dominican Republic; Ecuador; El Salvador; Equatorial Guinea; Ethiopia; Gabon; Gambia; Ghana; Guadeloupe; Guatemala; Guinea; Guinea-Bissau; Guyana; Haiti; Honduras; India; Indonesia (Irian Jaya, Jawa, Kalimantan, Lesser Sunda Is., Maluku, Sumatera); Jamaica; Kenya; Lao People's Democratic Republic; Lesotho; Liberia; Madagascar; Malawi; Malaysia; Mali; Martinique; Mauritania; Mauritius; Mexico; Montserrat; Mozambique; Myanmar; Namibia; Nepal; Nicaragua; Niger; Nigeria; Pakistan; Panama; Paraguay; Peru; Philippines; Puerto Rico; Rwanda; Saint Vincent and the Grenadines; Senegal; Sierra Leone; Singapore; Somalia; South Africa (Eastern Cape Province, Free State, KwaZulu-Natal); Sri Lanka; Sudan; Suriname; Swaziland; Taiwan, Province of China; Tanzania, United Republic of; Thailand; Togo; Uganda; United States (Florida, Louisiana, Mississippi, New Mexico, Texas); Uruguay; Venezuela; Viet Nam; Virgin Islands, British; Zambia; Zimbabwe
              IUCN and ZOO 2011
              AttributionsIUCN and ZOO 2011
              Contributors
              StatusUNDER_CREATION
              LicensesCC_BY
              References
                No Data
                📚 Occurrence
                No Data
                📚 Demography and Conservation
                Trends
                Population: Members of this species are very common weeds of waterways, sometimes obliterating water bodies. It is widespread in rivers, lakes and ponds of temperate well as tropical climates. Considered as invasive in many countries. Population Trend: Unknown
                IUCN and ZOO 2011
                AttributionsIUCN and ZOO 2011
                Contributors
                StatusUNDER_CREATION
                LicensesCC_BY
                References
                  Risk Statement

                  Global
                  P. stratiotes prevents browsing, blocking dams, hampers access to water for livestock and people as well as fishing, blocking the pumps, intercepts the light, reduces the oxygen content increases from February to August After the evaporation of a free water surface, upsets the mineral balance, strong release of H2S. According to Rivers (2002), P. stratiotes can inflict a severe impact on the environment and economy of infested areas. The dense mats created by connected rosettes of the plant lead to the majority of problems encountered with water lettuce. These mats can have a negative economic effect by blocking waterways, thus increasing the difficulty of navigation and hindering flood control efforts. Mats of P. stratiotes can also disrupt natural ecosystems. They can lead to a lower concentration of oxygen in covered waters and sediments by blocking airwater interface and root respiration. Extremely thick mats of P. stratiotes can prevent sunlight from reaching underlying water. The cumulative effect of these negative characteristics of the plant is a loss of biodiversity in invaded habitats. P. stratiotes mats can also serve as a breeding place for mosquitoes.

                  Local
                  Benin: Rare and scarce.
                  Burkina Faso: Rare and scarce.
                  Comoros: Absent.
                  Ivory Coast: Frequent and usually abundant.
                  Ghana: Rare and scarce.
                  Madagascar: aquatic invasive species.
                  Mali: Rare but abundant when present.
                  Maurice: It can be harmful to aquatic crops such as watercress and wildlife living in aquatic environments.
                  Nigeria: Rare and scarce.
                  Reunion: A weed quickly becoming invasive in freshwater bodies in coastal low current. In some situations, such as Etang du Gol, she manages to cover, with Eichhornia crassipes, all of the free water surface, which results in severe environmental consequences, especially for aquatic fauna (acidification of the environment, reduction of oxygen to water, eutrophication by massive breakdown of old leaves, drastic reduction of light, heavy metal accumulation subsequently released into the medium). During major weather events with heavy rain, coastal lagoons and estuaries those evacuated in the ocean huge mats of floating plants, which represent a danger to navigation and pollute the lagoon and nearby beaches.
                  Seychelles: very invasive species where it is located and very difficult to remove.
                  Tanzania: Frequent and usually abundant.
                  Uganda: Frequent and usually abundant
                  WIKWIO Project
                  AttributionsWIKWIO Project
                  Contributors
                  StatusUNDER_CREATION
                  LicensesCC_BY
                  References
                  1. http://portal.wikwio.org/species/show/260?lang=fr
                  Conservation Status
                  Red List Category & Criteria: Least Concern ver 3.1 Year Assessed: 2010 Assessor/s: Gupta, A.K. Reviewer/s: Juffe Bignoli, D., Bounphanmy, S. & Homsombath, K. Contributors: Drius, M. Justification: This aquatic plant is widespread and common from Africa to southeast Asia. It has also been recorded in Mexico, central America, Caribbean islands and South America. It is a free-floating plant that occurs in lakes, ponds, rivers and other water bodies. The plant is used in China as animal food and fro medicinal purpose. It has also ornamental use as an aquarium plant. As no major threats have been reported the species is Listed as Least Concern. Conservation Actions: No conservation measures in place or needed.
                  IUCN and ZOO 2011
                  AttributionsIUCN and ZOO 2011
                  Contributors
                  StatusUNDER_CREATION
                  LicensesCC_BY
                  References
                    Threats

                     The water covered areas P. stratiotes show preferred development environments for different species of mosquitoes (Anopheles , Mansonia ) vectors of malaria , filariasis and encephalomyelithe .

                    WIKWIO Project
                    AttributionsWIKWIO Project
                    Contributors
                    StatusUNDER_CREATION
                    LicensesCC_BY
                    References
                    1. http://portal.wikwio.org/species/show/260?lang=fr
                    Major Threat (s): Rather than facing any major threats this plant, where it has been introduced, can pose a threat to native species.
                    IUCN and ZOO 2011
                    AttributionsIUCN and ZOO 2011
                    Contributors
                    StatusUNDER_CREATION
                    LicensesCC_BY
                    References
                      No Data
                      📚 Uses and Management
                      Uses

                      System of Medicines Used In

                      Ayurveda
                      Ayurveda
                      Folk medicine
                      Folk medicine
                      Siddha
                      Siddha
                      Unani
                      Unani
                      System Of Medicines Used In

                      Ayurveda, Folk medicine, Unani, Siddha, Folk medicine

                      FRLHT's ENVIS Centre on Medicinal Plants: http://envis.frlht.org/plant_details.php?disp_id=1689
                      AttributionsFRLHT's ENVIS Centre on Medicinal Plants: http://envis.frlht.org/plant_details.php?disp_id=1689
                      Contributors
                      StatusUNDER_CREATION
                      LicensesCC_BY
                      References
                        Management

                        Global
                        Mechanical control: Mechanical control against P. stratiotes can be achieved in different ways - manual harvest to the net and at the fork from the shore, harvesting treadmill, harvest by harvester boat. This type of harvesting requires a piling on the bank followed by an evacuation by truck to another location or biomass will be left to rot. Given the speed of propagation of the water lettuce and the amount of biomass produced, this group of methods never allowed to fight effectively against an invasion by these species. These methods require a very large workforce and have a very high energy cost (carpets, boats, trucks) to be permanent. The only cases where these methods are maintained concerning the release of dams and water intakes of hydropower stations, catch water pumps water supply and the input channels and output port on large lakes and large rivers. Given the biomass produced and the growth rate provide for removal of 20 kg / m² every 10 to 15 days.

                        Chemical control: In France, only two molecules are approved for weed control of aquatic and semi-aquatic plants: efficient dichlobenil on monocots and dicots (80 to 160 kg.ha-1 pc depending on the water depth) Note that this product poses a risk of poisoning for high dose fish; glyphosate for the destruction of semi-aquatic plants helophytes (2160 g.ha-1 3240 until my g.ha-1 for my mallet). But the brutal and kills all water lettuce translates into a huge mass of organic matter flowing and breaks down at the same time, which results in a significant release of H2S in the middle.

                        Biological control: A weevil is proposed for the biological control against P. stratiotes. These are: Neohydronomus affinis Hustache (Coleoptera: Curculionidae, Erirhinae).

                        For weeding Advice floating aquatic weeds of irrigated rice and lowland in Africa visit: http://portal.wikwio.org/document/show/22

                        Local
                        Reunion: The various attempts of mechanical control at Etang du Gol have proven ineffective.
                        WIKWIO Project
                        AttributionsWIKWIO Project
                        Contributors
                        StatusUNDER_CREATION
                        LicensesCC_BY
                        References
                        1. http://portal.wikwio.org/species/show/260?lang=fr
                        No Data
                        📚 Information Listing
                        References
                        1. D K Ved, Suma Tagadur Sureshchandra, Vijay Barve, Vijay Srinivas, Sathya Sangeetha, K. Ravikumar, Kartikeyan R., Vaibhav Kulkarni, Ajith S. Kumar, S.N. Venugopal, B. S. Somashekhar, M.V. Sumanth, Noorunissa Begum, Sugandhi Rani, Surekha K.V., and Nikhil Desale. 2016. (envis.frlht.org / frlhtenvis.nic.in). FRLHT's ENVIS Centre on Medicinal Plants, Bengaluru. http://envis.frlht.org/plant_details.php?disp_id=1689
                        1. http://www.iucnredlist.org/technical-documents/classification-schemes/habitats-classification-scheme-ver3
                        2. http://www.iucnredlist.org/technical-documents/classification-schemes/threats-classification-scheme
                        3. Gupta, A.K. 2010. Pistia stratiotes. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.1. <www.iucnredlist.org>. Downloaded on 19 October 2011.
                        4. http://www.iucnredlist.org/technical-documents/classification-schemes/conservation-actions-classification-scheme-ver2
                        5. Chen, J. and Stevenson, D.W. 2006. Flora of China. Available at: www.efloras.org.; Duke, J.A. 2010. Phytochemical and Ethnobotanical Databases. Available at:http://www.ars-grin.gov/cgi-bin/duke/ethnobot.pl. (Accessed: 20 January).; IUCN. 2011. IUCN Red List of Threatened Species (ver. 2011.1). Available at:http://www.iucnredlist.org. (Accessed: 16 June 2011).; Missouri Botanical Garden, St. Louis, MO and Harvard University Herbaria, Cambridge, MA. 2010. eFloras. Available at: http://www.efloras.org.; Odjegba, V.J. and Fasidi, I.O. 2003. Accumulation of Trace Elements by Pistia stratiotes: Implications for phytoremediation. Ecotoxicology 13(7): 637-646.; The Board of Trustees of the Royal Botanic Gardens, Kew. 2010. World Checklist of Selected Plant Families. Available at: http://www.kew.org/wcsp/.; USDA, ARS, National Genetic Resources Program. 2010. Germplasm Resources Information Network ? (GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. Available at: http://www.ars-grin.gov/cgi-bin/npgs/html/index.pl.
                        6. Citation: Gupta, A.K. 2010. Pistia stratiotes. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.1. <www.iucnredlist.org>. Downloaded on 19 October 2011.
                        7. Gupta, A.K. 2010. Pistia stratiotes. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.1. <www.iucnredlist.org>. Downloaded on 19 October 2011.
                        8. Chen, J. and Stevenson, D.W. 2006. Flora of China. Available at: www.efloras.org.; Duke, J.A. 2010. Phytochemical and Ethnobotanical Databases. Available at:http://www.ars-grin.gov/cgi-bin/duke/ethnobot.pl. (Accessed: 20 January).; IUCN. 2011. IUCN Red List of Threatened Species (ver. 2011.1). Available at:http://www.iucnredlist.org. (Accessed: 16 June 2011).; Missouri Botanical Garden, St. Louis, MO and Harvard University Herbaria, Cambridge, MA. 2010. eFloras. Available at: http://www.efloras.org.; Odjegba, V.J. and Fasidi, I.O. 2003. Accumulation of Trace Elements by Pistia stratiotes: Implications for phytoremediation. Ecotoxicology 13(7): 637-646.; The Board of Trustees of the Royal Botanic Gardens, Kew. 2010. World Checklist of Selected Plant Families. Available at: http://www.kew.org/wcsp/.; USDA, ARS, National Genetic Resources Program. 2010. Germplasm Resources Information Network ? (GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. Available at: http://www.ars-grin.gov/cgi-bin/npgs/html/index.pl.
                        Overview > Diagnostic > Description
                        1. http://portal.wikwio.org/species/show/260?lang=fr
                        Natural History > Reproduction
                        1. http://portal.wikwio.org/species/show/260?lang=fr
                        2. http://portal.wikwio.org/species/show/260?lang=fr
                        Natural History > Ecology
                        1. http://portal.wikwio.org/species/show/260?lang=fr
                        Habitat and Distribution > Distribution > Description
                        1. http://portal.wikwio.org/species/show/260?lang=fr
                        Demography and Conservation > Risk Statement
                        1. http://portal.wikwio.org/species/show/260?lang=fr
                        Demography and Conservation > Threats
                        1. http://portal.wikwio.org/species/show/260?lang=fr
                        Uses and Management > Management
                        1. http://portal.wikwio.org/species/show/260?lang=fr
                        Information Listing > References
                        1. D K Ved, Suma Tagadur Sureshchandra, Vijay Barve, Vijay Srinivas, Sathya Sangeetha, K. Ravikumar, Kartikeyan R., Vaibhav Kulkarni, Ajith S. Kumar, S.N. Venugopal, B. S. Somashekhar, M.V. Sumanth, Noorunissa Begum, Sugandhi Rani, Surekha K.V., and Nikhil Desale. 2016. (envis.frlht.org / frlhtenvis.nic.in). FRLHT's ENVIS Centre on Medicinal Plants, Bengaluru. http://envis.frlht.org/plant_details.php?disp_id=1689
                        2. http://www.iucnredlist.org/technical-documents/classification-schemes/habitats-classification-scheme-ver3
                        3. http://www.iucnredlist.org/technical-documents/classification-schemes/threats-classification-scheme
                        4. Gupta, A.K. 2010. Pistia stratiotes. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.1. <www.iucnredlist.org>. Downloaded on 19 October 2011.
                        5. http://www.iucnredlist.org/technical-documents/classification-schemes/conservation-actions-classification-scheme-ver2
                        6. Chen, J. and Stevenson, D.W. 2006. Flora of China. Available at: www.efloras.org.; Duke, J.A. 2010. Phytochemical and Ethnobotanical Databases. Available at:http://www.ars-grin.gov/cgi-bin/duke/ethnobot.pl. (Accessed: 20 January).; IUCN. 2011. IUCN Red List of Threatened Species (ver. 2011.1). Available at:http://www.iucnredlist.org. (Accessed: 16 June 2011).; Missouri Botanical Garden, St. Louis, MO and Harvard University Herbaria, Cambridge, MA. 2010. eFloras. Available at: http://www.efloras.org.; Odjegba, V.J. and Fasidi, I.O. 2003. Accumulation of Trace Elements by Pistia stratiotes: Implications for phytoremediation. Ecotoxicology 13(7): 637-646.; The Board of Trustees of the Royal Botanic Gardens, Kew. 2010. World Checklist of Selected Plant Families. Available at: http://www.kew.org/wcsp/.; USDA, ARS, National Genetic Resources Program. 2010. Germplasm Resources Information Network ? (GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. Available at: http://www.ars-grin.gov/cgi-bin/npgs/html/index.pl.
                        7. Citation: Gupta, A.K. 2010. Pistia stratiotes. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.1. <www.iucnredlist.org>. Downloaded on 19 October 2011.
                        8. Gupta, A.K. 2010. Pistia stratiotes. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.1. <www.iucnredlist.org>. Downloaded on 19 October 2011.
                        9. Chen, J. and Stevenson, D.W. 2006. Flora of China. Available at: www.efloras.org.; Duke, J.A. 2010. Phytochemical and Ethnobotanical Databases. Available at:http://www.ars-grin.gov/cgi-bin/duke/ethnobot.pl. (Accessed: 20 January).; IUCN. 2011. IUCN Red List of Threatened Species (ver. 2011.1). Available at:http://www.iucnredlist.org. (Accessed: 16 June 2011).; Missouri Botanical Garden, St. Louis, MO and Harvard University Herbaria, Cambridge, MA. 2010. eFloras. Available at: http://www.efloras.org.; Odjegba, V.J. and Fasidi, I.O. 2003. Accumulation of Trace Elements by Pistia stratiotes: Implications for phytoremediation. Ecotoxicology 13(7): 637-646.; The Board of Trustees of the Royal Botanic Gardens, Kew. 2010. World Checklist of Selected Plant Families. Available at: http://www.kew.org/wcsp/.; USDA, ARS, National Genetic Resources Program. 2010. Germplasm Resources Information Network ? (GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. Available at: http://www.ars-grin.gov/cgi-bin/npgs/html/index.pl.

                        Angiosperm diversity of Sonbhadra District, Uttar Pradesh: a checklist

                        Journal of Threatened Taxa
                        No Data
                        📚 Meta data
                        🐾 Taxonomy
                        📊 Temporal Distribution
                        📷 Related Observations
                        👥 Groups
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