Landoltia punctata
Landoltia punctata
(dotted duckweed)

17 results for Landoltia punctata (dotted duckweed)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
232022 VAAccomackAccomack County1997 02080109 Nanticokeestablished
232023 VACarolineCaroline County1997 02080100 Lower Chesapeakeestablished
232024 VACharles CityCharles City County1997 02080206 Lower Jamesestablished
233571 VAFairfaxFairfax County1986 02070000 Potomacestablished
1654683 VAFairfaxReston, VA, USA2017 02070008 Middle Potomac-Catoctinestablished
1676849 VAFairfaxRiverbend Park, Great Falls, VA, US2021 02070008 Middle Potomac-Catoctin 
233584 VAIsle of WightIsle of Wight County1997 Unknown or N/Aestablished
233582 VAKing and QueenKing and Queen County1997 02080100 Lower Chesapeakeestablished
229439 VAKing GeorgeCaledon Natural Area [State Park], marshes and ponds1992 02070011 Lower Potomacestablished
233581 VAKing WilliamKing William County1997 02080100 Lower Chesapeakeestablished
233499 VANew KentCovering much of the surface of large pond; ca. 5.3 miles west of Lanexa on route 60.1966 02080206 Lower Jamesestablished
233500 VANew KentDillon marina east of Providence Forge. Cypress Swamp along Chickahominy River Route 1103 (spur of route 650)1987 02080206 Lower Jamesestablished
234295 VANew KentDillon Marina, cypress swamp along Chicka-hominy River, E of Providence Forge, Rte 1103 (spur of Rte 650)1987 02080206 Lower Jamesestablished
233583 VAPrince GeorgePrince George County1997  established
233580 VAStaffordStafford County1997 02070011 Lower Potomacestablished
232028 VASurrySurry County1986 03010202 Blackwaterestablished
232025 VASussexSussex County1997 03010200 Albemarle-Chowanestablished

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.


The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2023]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [3/26/2023].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.