Verbatim text: Semple, J. C. and C. C. Chinnappa. 1980b. Karyotype evolution and chromosome numbers in Chrysopsis (Nutt.) Ell. sensu Semple (Compositae–Astereae). Canad. J. Bot. 58: 164–171.
Author: Semple, J.C., Chinnappa, C.C.
Year: 1980b
Title: Karyotype evolution and chromosome numbers in Chrysopsis (Nutt.) Ell. sensu Semple (Compositae–Astereae)
Journal: Canad. J. Bot
Volume: 58
Pages: 164–171