Reynoutria japonica
(Itadori knotweed)
Plants
Exotic
Collection Info
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Impacts

10 results for Reynoutria japonica (Itadori knotweed)
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Click here for listing in all states

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1667787 MEAroostookSt. John River1996 01010008 Saint Francis River-Saint John Riverunknown
1661802 MECumberlandWestbrook2006 01060001 Presumpscotunknown
1661783 MEKnoxWarren1988 01050003 St. George-Sheepscotunknown
1660008 MELincolnNew Harbor1999 01050003 St. George-Sheepscotunknown
1667788 MEPenobscotOrono1994 01020005 Penobscot Riverunknown
1660007 MESagadahocBath1999 01050003 St. George-Sheepscotunknown
1667138 MEWashingtonBog Brook Cove Preserve of the Maine Coast Heritage Trust, NE of Cutler, between Bog Brook Cove and Moose Cove. Route 191 at Lubec/Trescott Town line2014 01050004 Passamaquoddy Bay-Bay of Fundyunknown
1667134 MEWashingtonca 5 km SSW of Lubec, just S of Boot Cove Rd2010 01050004 Passamaquoddy Bay-Bay of Fundyunknown
1669367 MEWashingtonTown of Machias, N bank of the Machias River, W of US 12010 01050002 Maine Coastalunknown
1660215 MEYorkWest Hollis2003 01060002 Saco 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 [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.