- Polygonum douglasii
- ID - 66355Symbol Key - PODO4Common Name - Douglas' knotweedFamily - PolygonaceaeCategory - DicotDivision - MagnoliophytaUS Nativity - Native to U.S.US/NA Plant - YesState Distribution - AZ, CA, CO, IA, ID, MD, ME, MI, MN, MT, ND, NE, NH, NM, NV, NY, OR, SD, UT, VT, WA, WYGrowth Habit - Forb/herbDuration - AnnualXgenus - N/AGenus - PolygonumXSpecies - N/ASpecies - douglasiiSsp - N/ASubspecies - N/AVar - N/AVariety - N/AForma - N/AGenera Author - L.Binomial Author - GreeneTrinomial Author - N/AQuadranomial Author - N/AFederal Noxious Status - N/AFederal Noxious Common Name - N/AState Noxious Status - N/AState Noxious Common Name - N/APLANTS Invasive Status - N/AFederal T/E Status - N/AFederal T/E Common Name - N/AState T/E Status - IA (E), ME (T), NH (T), NY (T), VT (E)State T/E Common Name - IA (Douglas' knotweed), ME (Douglas' knotweed), NH (Douglas' knotweed), NY (Douglas knotweed), VT (Douglas knotweed)National Wetland Indicator Status - UPL, FACCharacteristics Data - N/A
USDA Plant Characteristics. 2013.