Contributions to a monograph of the genus Helianthus
By: Elba Emanuel Watson
Publisher: [s.n.]
Published: 1929
Place of publication: Ann Arbor, Mich
Language: eng
Number of pages: 475
Subjects: Sunflowers
Notes: Cover title.

Originally presented as the author's thesis (Ph. D.), Michigan State College of Agricuture and Applied Science.

"Reprinted from Papers of the Michigan Academy of Science, Arts and Letters, Vol. IX, 1928. Published 1929."