Verbatim text: Lloyd, D. G. 1969. Petal color polymorphism in Leavenworthia (Cruciferae). Contr. Gray Herb. 198: 9–40.
Author: Lloyd, D.G.
Year: 1969
Title: Petal color polymorphism in Leavenworthia (Cruciferae)
Journal: Contr. Gray Herb
Volume: 198
Pages: 9–40