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

58 results for Hydrilla verticillata [monoecious] (monoecious hydrilla)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1699283 DCDistrict of Columbia[No locality description provided]2021 02070010 Middle Potomac-Anacostia-Occoquan 
1699837 DCDistrict of Columbia[No locality description provided]2021 02070010 Middle Potomac-Anacostia-Occoquan 
1677404 DENew CastleWilmington, DE 19803, USA2021 02040205 Brandywine-Christina 
1698940 MAMiddlesex[No locality description provided]2021 01090001 Charles 
1698995 MAMiddlesex[No locality description provided]2021 01090001 Charles 
1687210 MAMiddlesexSmall pond next to Muraco Elementary School, Winchester, MA.2021 01090001 Charlesestablished
1676436 MDBaltimoreLUTHVLE TIMON, MD 21093, USA2021 02060003 Gunpowder-Patapsco 
1677467 MDCarrollSykesville, MD 21784, USA2021 02060003 Gunpowder-Patapsco 
1677398 MDKentMillington, MD 21651, USA2021 02060002 Chester-Sassafras 
1677447 MDQueen Anne'sTerrapin Nature Park, Centreville, MD, US2021 02060002 Chester-Sassafras 
1700515 NCDurham[No locality description provided]2021 03020201 Upper Neuse 
1658611 NCHarnettCape Fear River; north and south shorelines within 1km of Lillington Boating Access Area located at the terminus of Wildlife Rd.2021 03030004 Upper Cape Fearestablished
1700076 NJBergen[No locality description provided]2021 02030103 Hackensack-Passaic 
1677380 NJGloucesterNJ-55 N, Pitman, NJ, US2021 02040202 Lower Delaware 
1680031 NJGloucesterWest Deptford, NJ, USA2021 02040202 Lower Delaware 
1699716 NJMonmouth[No locality description provided]2021 02040105 Middle Delaware-Musconetcong 
1691657 NYCayugaCayuga Lake, near Wells College dock, Aurora2021 04140201 Senecaestablished
1691658 NYErieErie Canal (Tonawanda Creek) [in Tonawanda]2021 04270101 Niagara Riverestablished
1691659 NYNiagaraErie Canal near Martinsville, NY2021 04270101 Niagara Riverestablished
1691660 NYNiagaraErie Canal near Wendelville2021 04270101 Niagara Riverestablished
1691661 NYNiagaraNiagara River2021 04270101 Niagara Riverunknown
1699060 OHAthens[No locality description provided]2021 05030204 Hocking 
1699136 OHAthens[No locality description provided]2021 05030204 Hocking 
1670476 OHDelawareAlum Creek State Park - multiple locations2021 05060001 Upper Sciotoestablished
1658530 OHTrumbullMosquito Creek Reservoir, shallow bay on east side2021 05030103 Mahoningestablished

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 [10/4/2022].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

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