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| | | | | | | Grassleaf Mudplantain | Great Smoky Mountains National Park | | | | | Record Status: Approved | Occurrence: | Present | Nativeness: | Native | Abundance: | Rare | | | Scientific Name with Authority: | Heteranthera dubia (Jacq.) MacMill. | Park Preferred Common Name(s): | | Park Synonyms: | | | | | Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Commelinales, Family Pontederiaceae, Genus Heteranthera, Species Heteranthera dubia |
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| | | | | Park Tags: | Elevation Range - Low | Life form - Aquatic | Park Rank - Park rare | Taxa Group - Vascular-plant | Taxa Subcategory - Monocot | Evidence Sensitivity - Not Sensitive | Wetland Status - Obligate Wetland | Bloom Time - August | Bloom Time - September |
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| | | | | Threatened/Endangered Status: | 50 | State Species of Concern Status: | | Ozone-sensitive Status: | | NatureServe Global Rank: | G5 | NatureServe State Rank: | NC: SH; TN: SNR | Evidence: | 0 Observations, 1 Vouchers, 0 Data Store References, 0 External Links |
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| | | Other Parks Where Species is Listed: | | Apostle Islands National Lakeshore | Buffalo National River | Chesapeake and Ohio Canal National Historical Park | Delaware Water Gap National Recreation Area | First State National Historical Park | George Washington Memorial Parkway | Great Falls Park | Indiana Dunes National Park | Isle Royale National Park | Jean Lafitte National Historical Park and Preserve | Mississippi National River and Recreation Areas | New River Gorge National Park and Preserve | Palo Alto Battlefield National Historical Park | Pictured Rocks National Lakeshore | Piscataway Park | Saint Croix National Scenic Riverway | Sleeping Bear Dunes National Lakeshore | Upper Delaware Scenic and Recreational River | Voyageurs National Park | |
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| | | | | | Last Modified Date: | 10/30/2019 | |
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| | NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/9/2025 10:06:23 PM |
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| NatureServe Global Rank and State Rank NatureServe. 2017. NatureServe Web Service. Arlington, VA. U.S.A. Available http://services.natureserve.org. Accessed: 12/4/2017. Updated quarterly. This information is provided by NatureServe (www.natureserve.org) and its network of natural heritage member programs, a leading source of information about rare and endangered species, and threatened ecosystems. |
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