Hydrilla verticillata verticillata
Hydrilla verticillata verticillata
(whorled hydrilla)

54 results for Hydrilla verticillata verticillata (whorled hydrilla)
Download Data
Click here for listing in all states

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
218320 FLFranklinApalachicola River1984 03130011 Apalachicolaestablished
1517257 FLFranklinApalachicola River1984 03130011 Apalachicolaunknown
218837 FLFranklinApalachicola River1985 03130011 Apalachicolaestablished
1520820 FLFranklinApalachicola River1985 03130011 Apalachicolaunknown
220943 FLFranklinApalachicola River1987 03130011 Apalachicolaestablished
1517375 FLFranklinApalachicola River1987 03130011 Apalachicolaunknown
223243 FLFranklinApalachicola River1989 03130011 Apalachicolaestablished
1519971 FLFranklinApalachicola River1989 03130011 Apalachicolaunknown
1519214 FLFranklinApalachicola River1990 03130011 Apalachicolaunknown
224831 FLFranklinApalachicola River1990 03130011 Apalachicolaestablished
225296 FLFranklinApalachicola River1991 03130011 Apalachicolaestablished
1519981 FLFranklinApalachicola River1991 03130011 Apalachicolaunknown
1516190 FLFranklinApalachicola River1992 03130011 Apalachicolaunknown
227720 FLFranklinApalachicola River1992 03130011 Apalachicolaestablished
228155 FLFranklinApalachicola River1993 03130011 Apalachicolaestablished
1519248 FLFranklinApalachicola River1993 03130011 Apalachicolaunknown
1520336 FLFranklinApalachicola River1994 03130011 Apalachicolaunknown
1519152 FLFranklinApalachicola River1996 03130011 Apalachicolaunknown
1518180 FLFranklinApalachicola River1997 03130011 Apalachicolaunknown
214347 FLFranklinApalachicola River1998 03130011 Apalachicolaestablished
1520342 FLFranklinApalachicola River1999 03130011 Apalachicolaunknown
1516250 FLFranklinApalachicola River2001 03130011 Apalachicolaunknown
1518189 FLFranklinApalachicola River2002 03130011 Apalachicolaunknown
1519313 FLFranklinApalachicola River2003 03130011 Apalachicolaunknown
1516958 FLFranklinApalachicola River2004 03130011 Apalachicolaunknown

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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [5/25/2024].

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.