Reference:Chase1920a
Verbatim text: Chase, A. 1920. The North American species of Cenchrus. Contr. U.S. Natl. Herb. 22':45-77
Author: Chase, A.
Year: 1920
Title: The North American species of Cenchrus
Journal: Contr. U.S. Natl. Herb
Volume: 22
Pages: 45–77