Hydrilla verticillata
Hydrilla verticillata

26 results for Hydrilla verticillata (hydrilla)
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Specimen IDCommon NameStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1401249 dioecious hydrillaTNAndersonMargin of sinkhole pond that fluctuates with Melton Hill Reservoir at CRM 49.4R; ca 0.05 mi E of jct Melton Hill Drive and Union Valley Rd and ca. 1.4 mi WNW of the TVA Bull Run Steam Plant2011 06010207 Lower Clinchestablished
1401250 dioecious hydrillaTNAndersonMargin of sinkhole pond that fluctuates with Melton Hill Reservoir at CRM 49.4R; ca 0.05 mi E of jct Melton Hill Drive and Union Valley Rd and ca. 1.4 mi WNW of the TVA Bull Run Steam Plant2011 06010207 Lower Clinchestablished
1401251 dioecious hydrillaTNBentonShallow water of overbank just NE of Harmon Creek embayment on Kentucky Reservoir at TRM 88.0L, ca. 10 mi NE of Camden2006 06040005 Kentucky Lakeestablished
1401253 dioecious hydrillaTNHamiltonChickamauga Reservoir at TRM 473 near Booker T. Washington State Park; ca. 2 mi upstream of Chickamauga Dam1988 06020001 Middle Tennessee-Chickamaugaestablished
229118 dioecious hydrillaTNHamiltonChickamauga Reservoir, near Chattanooga.1988 06020001 Middle Tennessee-Chickamaugaestablished
1401252 monoecious hydrillaTNHamiltonShallow water along right descending bank of Nickajack Reservoir at TRM 453R; ca. 4 mi NW of downtown Chattanooga2007 06020001 Middle Tennessee-Chickamaugaestablished
1401254 dioecious hydrillaTNHardinPickwick Reservoir at TRM 208.4L; ca. 2 mi ENE of Pickwick Landing State Park2007 06030005 Pickwick Lakeestablished
1401255 dioecious hydrillaTNHenrywest overbank of Kentucky Reservoir at TRM 71.3L; ca. 4.5 mi SE of Paris Landing State Park2007 06040005 Kentucky Lakeestablished
1401256 dioecious hydrillaTNHoustonN side of old RR causeway at Danville at TRM 78.2R on E shoreline of Kentucky Reservoir; ca. 2 mi WSW of McKinnon2007 06040005 Kentucky Lakeestablished
1401257 monoecious hydrillaTNHumphreysE side of Kentucky Reservoir at boat ramp northwest margin of Duck River Unit, Tennessee National Wildlife Refuge2007 06040005 Kentucky Lakeestablished
1401258 monoecious hydrillaTNKnoxSinking Creek embayment (TRM 617.1R) in Ft. Loudoun Reservoir on upstream side of Westland Dr; ca. 1.9 mi E of Concord2011 06010201 Watts Bar Lakeestablished
1409676 monoecious hydrillaTNLoudonWatts Bar Lake, N of I-75 bridge2017 06010201 Watts Bar Lakeestablished
1401263 monoecious hydrillaTNMarionMullins Cover Road; Ellis Spring in Prentice Cooper State Forest & Wildlife Management Area; wetland west of roadside in Tennessee River Gorge2005 06020001 Middle Tennessee-Chickamaugaestablished
1419275 dioecious hydrillaTNMarionNickajack Lake, near SW side of I-24 bridge2016 06020001 Middle Tennessee-Chickamaugaestablished
1401264 dioecious hydrillaTNMarionNickajack Reservoir boat ramp, off Bennett Lake Rd2004 06020001 Middle Tennessee-Chickamaugaestablished
1401262 monoecious hydrillaTNMarionNickajack Reservoir near boat ramp in Marion County Park (TRM 429.5R)2010 06020001 Middle Tennessee-Chickamaugaestablished
229119 dioecious hydrillaTNMarionNickajack Reservoir, downstream of Chattanooga1989 06020001 Middle Tennessee-Chickamaugaestablished
228632 dioecious hydrillaTNMarionNickajack Reservoir, downstream of Chattanooga1997 06020001 Middle Tennessee-Chickamaugaestablished
1634146 dioecious hydrillaTNMonroeTellico Reservoir in Fourmile Creek embayment (Tellico River Mile 1.7L)2009 06010204 Lower Little Tennesseeestablished
1417468 monoecious hydrillaTNMorganEmory River near Nemo, Obed Wild & Scenic River2014 06010208 Emoryestablished
240684 monoecious hydrillaTNMorganObed Wild and Scenic River2007 06010208 Emoryestablished
1401265 monoecious hydrillaTNPolkOcoee Lake, pulloff on south side of Hwy 64 on E side of bridge for Greasy Creek2011 06020003 Ocoeeestablished
1401266 monoecious hydrillaTNPolkOcoee Lake, upstream portion of Greasy Creek embayment (ORM 16.9R) on Parksville Reservoir2010 06020003 Ocoeeestablished
1401267 dioecious hydrillaTNRheaboat ramp in Dayton Municipal Park in upstream portion of Big Richland Creek embayment (TRM 504.4R) on Chickamauga Reservoir2008 06020001 Middle Tennessee-Chickamaugaestablished
1409537 monoecious hydrillaTNRoaneWatts Bar Lake (Clinch River), at Interstate 40 bridge2017 06010207 Lower Clinchestablished

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. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [3/9/2021].

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