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Russian knapweed
Beck, Kenneth George.
Colorado State University. Cooperative Extension Service.
2003
Colorado State University Cooperative Extension
Fort Collins, Colo.
Caption title. "Revised 3/03."
Russian knapweed Knapweeds Control
1 PDF (1 sheet ([2] p.) : ill. ; 56KB)
eng
Natural resources series (Fort Collins, Colo.). Range ; no. 3.111
UCSU20/6.22/3.111/2003/INTERNET
http://hdl.handle.net/10176/co:6676
123956376
2010-06-28T07:10:55.051Z