Rhaponticum repens March 4, 2020December 24, 2019 by rcarr Scientific NameRhaponticum repens (L.) HidalgoFamilyAsteraceaeCommon NamesRussian knapweed, maral root, Turkestan thistle, hardheadsEastern WashingtonIntroducedConservation StatusNotesNoxious weed Click on any image to enlarge it. West Richland, WA at the corner of Ranch and N 46th Ave.; N 46.30790 W 119.34713; Benton Co., 7/10/2016West Richland, WA at the corner of Ranch and N 46th Ave.; N 46.30790 W 119.34713; Benton Co., 7/10/2016West Richland, WA at the corner of Ranch and N 46th Ave.; N 46.30790 W 119.34713; Benton Co., 7/10/2016West Richland, WA at the corner of Ranch and N 46th Ave.; N 46.30790 W 119.34713; Benton Co., 7/10/2016West Richland, WA at the corner of Ranch and N 46th Ave.; N 46.30790 W 119.34713; Benton Co., 7/10/2016West Richland, WA at the corner of Ranch and N 46th Ave.; N 46.30790 W 119.34713; Benton Co., 7/10/2016West Richland, WA at the corner of Ranch and N 46th Ave.; N 46.30790 W 119.34713; Benton Co., 7/10/2016West Richland, WA at the corner of Ranch and N 46th Ave.; N 46.30790 W 119.34713; Benton Co., 7/10/2016West Richland, WA at the corner of Ranch and N 46th Ave.; N 46.30790 W 119.34713; Benton Co., 7/10/2016West Richland, WA at the corner of Ranch and N 46th Ave.; N 46.30790 W 119.34713; Benton Co., 7/10/2016West Richland, WA at the corner of Ranch and N 46th Ave.; N 46.30790 W 119.34713; Benton Co., 7/10/2016West Richland, WA at the corner of Ranch and N 46th Ave.; N 46.30790 W 119.34713; Benton Co., 7/10/2016West Richland, WA at the corner of Ranch and N 46th Ave.; N 46.30790 W 119.34713; Benton Co., 7/10/2016West Richland, WA at the corner of Ranch and N 46th Ave.; N 46.30790 W 119.34713; Benton Co., 7/10/2016