Barbara Tokarska-Guzik, University of Silesia, Bugwood.org
Barbara Tokarska-Guzik, University of Silesia, Bugwood.org
Ohio State Weed Lab , The Ohio State University, Bugwood.org
Theodore Webster, USDA Agricultural Research Service, Bugwood.org
James H. Miller & Ted Bodner, Southern Weed Science Society, Bugwood.org
Robert Vidéki, Doronicum Kft., Bugwood.org
Jeff Stachler, The Ohio State University, Bugwood.org
Ohio State Weed Lab , The Ohio State University, Bugwood.org
Ohio State Weed Lab , The Ohio State University, Bugwood.org
Ohio State Weed Lab , The Ohio State University, Bugwood.org
Ohio State Weed Lab , The Ohio State University, Bugwood.org
James H. Miller, USDA Forest Service, Bugwood.org
James H. Miller, USDA Forest Service, Bugwood.org
Ohio State Weed Lab , The Ohio State University, Bugwood.org
Ken Chamberlain, The Ohio State University, Bugwood.org
Ken Chamberlain, The Ohio State University, Bugwood.org