The New York Botanical Garden / Plant Species / Virginia Polytechnic Institute / State University / /
IndustryTerm
chemicals / /
NaturalFeature
Shenandoah Valley / /
Organization
State University / California Exotic Pest Plant Council / Virginia Department of Con / Canada Department of Agriculture / Virginia Native Plant Society / Polytechnic Institute / U.S. Government Printing Office / /
Person
David G. Brickley / Virginia Canada Thistle / Laura A. Peters / Nicole M. LaChance / John Paul Woodley / Jr. / Jim Gilmore / / /
Position
Governor / Director / Department of Conservation and Recreation Invasive Alien / Director / Department of Conservation and Recreation / natural resource specialist / Secretary / /
Invasive Alien Plant Species of Virginia Canada Thistle (Cirsium arvense (L.) Scop.) Description Canada thistle is a herbaceous perennial in the aster (Asteraceae) family which may grow up to five