Verbatim text: Singhurst, J. R., R. J. O’Kennon, and W. C. Holmes. 2004. The genus Prenanthes (Asteraceae: Lactuceae) in Texas. Sida 21: 181–191.
Author: Singhurst, R. J. O’Kennon, Holmes, W. C.
Year: 2004
Title: The genus Prenanthes (Asteraceae: Lactuceae) in Texas
Journal: Sida
Volume: 21
Pages: 181–191