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III.—Quantitative Evolution in Compositæ

Published online by Cambridge University Press:  15 September 2014

James Small  and
I. K. Johnston
James Small
Affiliation:
Department of Botany, Queen's University, Belfast
I. K. Johnston
Affiliation:
Department of Botany, Queen's University, Belfast
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Extract

Any reasonable generalisation on possibly fundamental rules of specific and generic differentiation would appear to be worth consideration. Defining our main terms briefly, we may here state that the genera and species of quantitative evolution are the genera and species recognised as such by responsible systematists who have considered entire groups in detail: the relatively few “critical” genera do not yield comparable data.

Type
Proceedings
Information
Proceedings of the Royal Society of Edinburgh , Volume 57 , 1938 , pp. 26 - 54
Copyright
Copyright © Royal Society of Edinburgh 1938

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References

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