Reynoutria japonica
(Itadori knotweed)
Plants
Exotic
Collection Info
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Impacts

19 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
1669427 NYBronxBronx1946 02030102 Bronxunknown
1669458 NYBronxBronx Park North, in the Bronx River Forest, north of Mosholu Parkway and west of the Bronx River2016 02030102 Bronxunknown
1660069 NYBronxPort Morris1900 02030102 Bronxunknown
1699989 NYDelaware[No locality description provided]2020 02040101 Upper Delaware 
1660142 NYKingsWilliamsburg1990 02030101 Lower Hudsonunknown
1669144 NYNew YorkCentral Park2006 02030101 Lower Hudsonunknown
1669264 NYNew YorkCentral Park2006 02030101 Lower Hudsonunknown
1669304 NYNew YorkCentral Park, Mount, between 105th and 106th Sts and between 5th and 6th Aves2014 02030101 Lower Hudsonunknown
1669275 NYNew YorkCentral Park, Northwest Corner, between 109 and 110th Streets and between 7th and 8th Avenues2016 02030101 Lower Hudsonunknown
1667190 NYNew YorkCentral Park, Northwest Corner, between 109 and 110th Streets and between 7th and 8th Avenues2016 02030101 Lower Hudsonunknown
1660247 NYSaratogaSaratoga National Historical Park2001 02020003 Hudson-Hoosicunknown
1661781 NYSt. LawrenceWiley Dondero Canal1970 04290008 Raisin River-St. Lawrence Riverunknown
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
1669489 NYSuffolkOld West Lake Drive2016 02030202 Southern Long Islandunknown
1669219 NYUlsterNear village of Kerhonkson on County Rd 27 which lies parallel to Stony Kill, ca 0.5mi E of Rt 44-551998 02020007 Rondoutunknown
1669214 NYWestchester6 Fairfield Street1949 02030102 Bronxunknown
1667159 NYWestchesterJunction of Highways 35 and 20.2013 02030101 Lower Hudsonunknown
1669532 NYWestchesterTown of Pound Ridge. Near main entrance on Upper Shad Road and first part of the Western Loop of the Zofnass Family Preserve as far as the first wet area with large stepping stone bridge.2014 01100006 Saugatuckunknown
1669409 NYWestchesterWhite Plains1982 02030102 Bronxunknown

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.