Reference:Allred1984a
Verbatim text: Allred, K.W. 1984. Morphologic variation and classification of the North American Aristida purpurea complex (Graraineae). Brittonia 36:382-395
Author: Allred, K.W.
Year: 1984
Title: Morphologic variation and classification of the North American Aristida purpurea complex (Graraineae)
Journal: Brittonia
Volume: 36
Pages: 382–395