Bohemian knotweed

Polygonum x bohemicum (J. Chrtek & Chrtkovß) Zika & Jacobson [cuspidatum x sachalinense]

USDA PLANTS Symbol: POBO10
Invasive Plant Atlas

Distribution Maps: State / County / Southeast / Points on Google Maps

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Record ID:2278945
Location:Ramsey County, Minnesota
Source:Carole Gernes, Ramsey County Cooperative Weed Management Area, Minnesota
Project:EDDMapS Home
Habitat:Edge: Field/forest
Abundance:Dense Monoculture
Locality:Hillside Park; Between McKinght Road on the west, Myrtle on the east, and south of Holloway; Maplewood MN 55109.
Comments:Japanese knotweed also present in small patches. Was cut and treated with 18% glyphosate, in late spring(June 7, 2011) and fall (October 5, 2011). Population density reduced by approxiamtely 95% when rechecked 6/5/12. Height and stem diameter of remaining plants reduced by approxiamtely 50%.
Area Infested:1800 sq feet
Gross Area:11 acres
Coordinates:44.997777, -93.002391
NADatum:WGS84
Ownership:Other/Unknown
phenology:Mature
Canopy Cover:High
Herbarium:Ramsey-Washington Metro Watershed District
Status:Not Verified
Observation DateJune 5, 2012
Date EnteredJune 6, 2012
Date Updated: June 6, 2012
Source Type: Web Report
Bugwood Center Developed by The University of Georgia - Center for Invasive Species and Ecosystem Health.
Last updated on Saturday, July 07, 2012 at 01:46 PM