Studies in Grindelia.
II; a monograph of the North American species of the genus Grindelia ...
APA Citation
Steyermark, J. A. (Julian Alfred). (1934). Studies in Grindelia: II; a monograph of the North American species of the genus Grindelia ... Saint Louis: Washington university.
MLA Citation
Steyermark, Julian A. (Julian Alfred), 1909-1988. Studies In Grindelia: II; a Monograph of the North American Species of the Genus Grindelia ... Saint Louis: Washington university, 1934.
Warning: These citations may not always be complete (especially for serials).