- Polygonum douglasii ssp. johnstonii
- ID - 66369Symbol Key - PODOJ2Common Name - Johnston's knotweedFamily - PolygonaceaeCategory - DicotDivision - MagnoliophytaUS Nativity - Native to U.S.US/NA Plant - YesState Distribution - AZ, CA, CO, ID, MT, ND, NE, NM, NV, OR, SD, UT, WA, WYGrowth Habit - Forb/herbDuration - AnnualXgenus - N/AGenus - PolygonumXSpecies - N/ASpecies - douglasiiSsp - ssp.Subspecies - johnstoniiVar - N/AVariety - N/AForma - N/AGenera Author - L.Binomial Author - GreeneTrinomial Author - (Munz) HickmanQuadranomial 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 - N/AState T/E Common Name - N/ANational Wetland Indicator Status - N/ACharacteristics Data - N/A
USDA Plant Characteristics. 2013.