Verbatim text: Zomlefer, W. B. 1997c. The genera of Tofieldiaceae in the southeastern United States. Harvard Pap. Bot. 2: 179–194.
Author: Zomlefer, W.B.
Year: 1997c
Title: The genera of Tofieldiaceae in the southeastern United States
Journal: Harvard Pap. Bot
Volume: 2
Pages: 179–194