1. Family: Alismataceae Vent.
    1. Genus: Helanthium (Benth. & Hook.f.) Engelm. ex J.G.Sm.
      1. Helanthium tenellum (Mart. ex Schult.f.) J.G.Sm.

        This species is accepted, and its native range is Central & E. U.S.A. to Tropical & Subtropical America.

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    Distribution

    Doubtfully present in:

    Suriname

    Native to:

    Alabama, Argentina Northeast, Arkansas, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Colombia, Connecticut, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Florida, Georgia, Guatemala, Guyana, Haiti, Honduras, Illinois, Jamaica, Kansas, Kentucky, Louisiana, Masachusettes, Mexico Gulf, Mexico Southeast, Mississippi, Missouri, New Jersey, New York, Nicaragua, North Carolina, Oklahoma, Panamá, Paraguay, South Carolina, Texas, Venezuela, Virginia

    Extinct in:

    Delaware

    Helanthium tenellum (Mart. ex Schult.f.) J.G.Sm. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1987 Engelmann, G. [s.n.], Montana Echinodorus tenellus K000098918 Unknown type material
    White, G.E. [1540], Bolivia Echinodorus tenellus K000061663 isolectotype

    First published in N.L.Britton, Man. Fl. N. States, ed. 2: 54 (1905)

    Accepted by

    • de Moura Júnior, E.G. & al. (2015). Updated checklist of aquatic macrophytes from Northern Brazil Acta Amazonica 45: 111-132.
    • Lehtonen, S. & Gordon, E. (2010). Actualización del conocimiento de los géneros Echinodorus y Helanthium (Alismataceae) en Venezuela Acta Botánica Venezuelica 33: 249-272.
    • Lehtonen, S. & Myllys, L. (2008). Cladistic analysis of Echinodorus (Alismataceae): simultaneous analysis of molecular and morphological data Cladistics 24: 218-239.

    Literature

    Kew Backbone Distributions
    • Sorrie, B.A. & LeBlond, R.J. (2008). Noteworthy collections from the southeastern United States Botanical Journal of the Linnean Society 93: 1353-1361.
    • Flora of North America Editorial Committee (2000). Flora of North America North of Mexico 22: 1-352. Oxford University Press, New York, Oxford.
    • Boggan, J. Funck, V. & Kelloff, C. (1997). Checklist of the Plants of the Guianas (Guyana, Surinam, Franch Guiana) ed. 2: 1-238. University of Guyana, Georgetown.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.
    • Espejo Serena, A. & López-Ferrari, A.R. (1993). Las Monocotiledóneas Mexicanas una Sinopsis Florística 1(1): 1-76. Consejo Nacional de la Flora de México, México D.F.

    Sources

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2018. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2018. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0