Accepted By:
-
Flora of North America Editorial Committee, e. 2006. Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. 19: i–xxiv, 1–579. In Fl. N. Amer.. Oxford University Press, New York.
-
Great Plains Flora Association. 1986. Fl. Great Plains i–vii, 1–1392. University Press of Kansas, Lawrence.
|