Jens Christian Clausen
Born 1891-01-01
Identifiers
- Open LibraryOL5646616A
Top Subjects
- Plants -- Evolution (2)
- Botany -- North America (1)
- Botany -- Ecology (1)
- Plant mutation (1)
- Madiinae (1)
- Plant ecology (1)
- Adaptation (Biology) (1)
Books by Jens Christian Clausen
Total count: 4
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Effect of varied environments on western North American plantsCarnegie Institution of Washington1940-01-01
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Plant evolution through amphiploidy and autoploidy, with examples from the MadiinaeCarnegie Institution of Washington1945-01-01
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Stages in the evolution of plant species.Hafner Pub. Co.1962-01-01
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Environmental responses of climatic races of Achillea[by] Jens Clausen, David D. Keck [and] William M. Hiesey.Carnegie Institution of Washington1972-01-01