Cytogeography of Achillea millefolium L. in western Oregon
By: by Ronald Jay Tyrl.
Published: 1968
Language: eng
Number of pages: 79
Subjects: Achillea millefolium.; Polyploidy.
Notes: Typescript (photocopy).

Thesis (M.S.)--Oregon State University, 1968.

Bibliography: leaves 59-64.