Reynoutria japonica
(Itadori knotweed)
Plants
Exotic

12 results for Reynoutria japonica (Itadori knotweed)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1660076 CTHartfordBigelow Brook, Manchester2004 01080205 Outlet Connecticut Riverunknown
1659891 CTHartfordEast Hartford1922 01080205 Outlet Connecticut Riverunknown
1658724 CTHartfordEnfield1999 01080205 Outlet Connecticut Riverunknown
1661526 CTHartfordHartford2009 01080205 Outlet Connecticut Riverunknown
1660216 CTHartfordHockanum River2005 01080205 Outlet Connecticut Riverunknown
1660071 CTHartfordHockanum River Hiking Trail, Kohl's Section2003 01080205 Outlet Connecticut Riverunknown
1660101 CTHartfordLaurel Marsh Hiking Trail, Manchester2004 01080205 Outlet Connecticut Riverunknown
1659892 CTHartfordManchester1936 01080205 Outlet Connecticut Riverunknown
1660072 CTHartfordSalters Pond2003 01080205 Outlet Connecticut Riverunknown
1659893 CTHartfordScantic River, South Windsor1989 01080205 Outlet Connecticut Riverunknown
1659894 CTHartfordWest Hartford1932 01080205 Outlet Connecticut Riverunknown
1659865 CTMiddlesexCromwell1988 01080205 Outlet Connecticut Riverunknown

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.


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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 [10/13/2024].

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