TY - BOOK ID - 136623219 TI - An assessment of Canada thistle in northern U.S. forests AU - Kurtz, Cassandra M. AU - Hansen, Mark H. AU - United States. PY - 2019 PB - Newtown Square, PA : United States Department of Agriculture, Forest Service, Northern Research Station, DB - UniCat KW - Canada thistle KW - Invasive plants KW - Geographical distribution. KW - Habitat UR - https://www.unicat.be/uniCat?func=search&query=sysid:136623219 AB - ER -