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

      1. This genus 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, Leeward Is., Louisiana, Masachusettes, Mexico Gulf, Mexico Southeast, Mississippi, Missouri, Netherlands Antilles, New Jersey, New York, Nicaragua, North Carolina, Oklahoma, Panamá, Paraguay, Peru, Puerto Rico, South Carolina, Texas, Venezuela, Virginia

    Extinct in:

    Delaware

    Introduced into:

    Mauritius

    Accepted Species

    Synonyms

    Other Data

    Helanthium (Benth. & Hook.f.) Engelm. ex J.G.Sm. appears in other Kew resources:

    Bibliography

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

    Accepted by

    • Lehtonen, S. & Myllys, L. (2008). Cladistic analysis of Echinodorus (Alismataceae): simultaneous analysis of molecular and morphological data Cladistics 24: 218-239.

    Sources

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. 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 2020. 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