Verbatim text: Moore, R. J. and C. Frankton. 1974. The Thistles of Canada. Ottawa. [Canada Dept. Agric., Res. Branch, Monogr. 10.]
Author: Moore, R.J., Frankton, C.
Year: 1974
Title: The Thistles of Canada
Source: Canada Dept. Agric., Res. Branch, Monogr
Volume: 10