Verbatim text: Moore, R. J. and C. Frankton. 1969. Cytotaxonomy of some Cirsium species of the eastern United States, with a key to eastern species. Canad. J. Bot. 47: 1257–1275.
Author: Moore, R.J., Frankton, C.
Year: 1969
Title: Cytotaxonomy of some Cirsium species of the eastern United States, with a key to eastern species
Journal: Canad. J. Bot
Volume: 47
Pages: 1257–1275