Reynoutria japonica
(Itadori knotweed)
Plants
Exotic
Collection Info
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Impacts

11 results for Reynoutria japonica (Itadori knotweed)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1658723 MADukesMartha's Vineyard1962 01090002 Cape Codunknown
1661494 MAFranklinDeerfield River2001 01080203 Deerfield Riverunknown
1661803 MAFranklinSunderland1982 01080201 Ashuelot River-Connecticut Riverunknown
1660104 MAHampdenBlock Brook, Mittineague Park2000 01080206 Westfield Riverunknown
1659934 MAHampshireHadley1979 01080201 Ashuelot River-Connecticut Riverunknown
1660006 MAMiddlesexTufts University Campus1976 01090001 Charlesunknown
1660320 MAPlymouthBare Cove Park2010 01090001 Charlesunknown
1661775 MAPlymouthWoodstock2009 01090004 Narragansettunknown
1661528 MASuffolkArnold Arboretum2008 01090001 Charlesunknown
1661782 MASuffolkArnold Arboretum2009 01090001 Charlesunknown
1661805 MAWorcesterCollege of the Holy Cross2004 01090003 Blackstone 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.

Disclaimer:

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 [11/21/2024].

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