Human evolution by Walker, P.

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Plant physiology by Taiz, Lincoln

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Dynamics of vegetation / by Clements, Frederic Edward

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Field manual of plant ecology / by Gates, Frank C.

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Study of plant communities : an introduction to plant ecology / by Oosting, Henry J.

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Vademécum de botánica : morfología, histología, fisiología, taxonomía y botánica descriptiva / by Más Guindal, Joaquín

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Story of the plant kingdom / by Coulter, Merle C.

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Adaptation and origin in the plant world : the role of environment in evolution / by Clements, Frederic Edward

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Methods of vegetation study / by Phillips, Edwin Allen

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Root behavior and crop yield under irrigation / by Jean, Frank C.

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Development and activities of roots of crop plants : a study in crop ecology / by Weaver, John E.

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New systematics / by Huxley, Julian

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Plant sociology : the study of plant communities / by Braun-Blanquet, J.

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Third annual report /

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Genetical theory of natural selection / by Fischer, R. A.

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Flora of Alaska and adjacent parts of Canada / by Anderson, Jacob Peter

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Embryologie comparée / by Roule, Louis

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Die Insekten / by Taschenberg, Ernst Ludwig

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Experimentelle biologie / by Thesing, Kurt

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Praxis der Naturgeschichte / by Martin, Philip Leopold

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