Verbatim text: Desrochers, A. M., J. F. Bain, and S. I. Warwick. 1988b. The biology of Canadian weeds. 89. Carduus nutans L. and Carduus acanthoides L. Canad. J. Plant Sci. 68: 1053–1068.
Author: Desrochers, A.M., Bain, J.F., Warwick, S.I.
Year: 1988b
Title: The biology of Canadian weeds. 89. Carduus nutans L. and Carduus acanthoides L.
Journal: Canad. J. Plant Sci
Volume: 68
Pages: 1053–1068