Experimental studies on the nature of species
By: Jens Clausen, David D. Keck, William M. Hiesey.
Contributors: Keck, David D. 1903-; Hiesey, William M. 1903-
Series: Carnegie Institution of Washington publication ;; no. 520, 564, 581, 615
Published: 1940
Place of publication: Washington, D.C
Language: eng
Subjects: Plant ecology.; Heredity.; Botany -- North America.
Other titles: Species, Nature of.
Notes: "Literature cited": v. 1, p. 437-442; v. 2, p. 154-163; v. 3, p. 124-125; v. 4, p. 270-282.
Includes indexes.
Table of contents: title: 1. Effect of varied environments on western North American plants; title: 2. Plant evolution through amphiploidy and autoploidy, with examples from the Madiinae; title: 3. Environmental responses of climatic races of Achillea; title: 4. Genetic structure of ecological races.