Hydrilla verticillata [monoecious]
Hydrilla verticillata [monoecious]
(monoecious hydrilla)

97 results for Hydrilla verticillata [monoecious] (monoecious hydrilla)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
877604 VAAlbemarleAlbemarle Lake2015 02080204 Rivannaestablished
877605 VAAlbemarleChris Greene Lake2015 02080204 Rivannaestablished
877740 VAAlbemarleSouth Fork Rivanna Reservoir2009 02080204 Rivannaestablished
1467886 VAAlexandriaPotomac River near Alexandria2018 02070010 Middle Potomac-Anacostia-Occoquanestablished
1401276 VAAmherstSweet Briar College Lower Lake2016 02080203 Middle James-Buffaloestablished
1676430 VAAppomattoxHoliday Lake State Park2021 02080207 Appomattoxestablished
270976 VABedfordLeesville Lake2010 03010101 Upper Roanokeestablished
252512 VABedfordSmith Mountain Lake2007 03010101 Upper Roanokeestablished
230381 VACarolineAnna River, downstream from the dam at Lake Anna. Largely in Hanover/Spotsylvania counties, extending into Caroline County past the bridge at Rt 1, but, not extending further past the bridge at I-95.1989 02080106 Pamunkeyestablished
1654693 VACharles CityCharles City County, VA, USA2017 02080206 Lower Jamesestablished
1634154 VACharles CityDockman Swamp; Jerdone's Big Woods, S of Co. Rt. 614 and E of Va. Rt. 155; P. O. Providence Forge2003 02080206 Lower Jamesestablished
1634153 VACharles CityWest side of Chickahominy River, ca. 1.2 km SW of Watts Point1996 02080206 Lower Jamesestablished
235614 VAChesapeakeCooper's Ditch, NE side of Hillwell bridge, City of Chesapeake2001 03010205 Albemarleestablished
1677433 VAChesterfieldMidlothian2021 02080207 Appomattoxunknown
269168 VAChesterfieldSouth East end of Swift Creek Reservoir near Harbour Ln2010 02080207 Appomattoxestablished
271417 VAChesterfieldSwift Creek Reservoir2009 02080207 Appomattoxestablished
878023 VAChesterfieldSwift Creek Reservoir2009 02080207 Appomattoxestablished
1673304 VAChesterfieldWoodlake, VA, USA2019 02080207 Appomattoxunknown
230365 VAChesterfield/PriAppomattox River, near intersection with the James River.1997 02080206 Lower Jamesestablished
1654830 VACulpeper[Rappahannock River, between Glascock and Carter Runs]2020 02080103 Rapidan-Upper Rappahannockestablished
228426 VADistrict of ColuPotomac River, along the George Washington Memorial Parkway1997 02070010 Middle Potomac-Anacostia-Occoquanestablished
1654707 VAFairfax10709 Gunston Rd, Lorton, VA, US2018 02070010 Middle Potomac-Anacostia-Occoquanestablished
1654731 VAFairfax11329 Waples Mill Rd, Oakton, VA, US2019 02070008 Middle Potomac-Catoctinestablished
1671440 VAFairfax22307, Alexandria, VA, US2017 02070010 Middle Potomac-Anacostia-Occoquanunknown
1654763 VAFairfaxBurke Lake Park, 7315 Ox Rd, Fairfax Station, VA 22039, United States2019 02070010 Middle Potomac-Anacostia-Occoquanestablished

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. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [8/13/2022].

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