Verbatim text: Clausen, J., D. D. Keck, and W. M. Hiesey. 1948. Experimental studies on the nature of species. III. Environmental responses of climatic races of Achillea. Publ. Carnegie Inst. Wash. 581.
Author: Clausen, J., Keck, D.D., Hiesey, W.M.
Year: 1948
Title: Experimental studies on the nature of species. III. Environmental responses of climatic races of Achillea
Journal: Publ. Carnegie Inst. Wash
Volume: 581