Reynoutria japonica
(Itadori knotweed)
Plants
Exotic
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7 results for Reynoutria japonica (Itadori knotweed)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1660272 CTTollandMoss Tract2008 01100002 Shetucket Riverunknown
1660273 CTTollandMoss Tract2008 01100002 Shetucket Riverunknown
1661528 MASuffolkArnold Arboretum2008 01090001 Charlesunknown
1669356 MDDorchesterEast of Cambridge, along US Rt. 50, Ocean Gateway, just east of MD Rt. 16, Mount Holly Road.2008 02060005 Choptankunknown
1669355 NYSuffolkHuntington Station, in Paumonek Wetland, west of Walt Whitman High School, at the north edge of the site, on the southern curb of Jericho Turnpike.2008 02030202 Southern Long Islandunknown
1669349 WIGrantJunction of Hwy. 60 and Co. Hwy. X.2008 07070005 Lower Wisconsinunknown
1667125 WVRandolphca 3.2 km NNW of Harman, banks and floodplain of Dry Fork River and roadside along West Virginia 322008 05020004 Cheatunknown

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 [12/26/2024].

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