Taxon, Vol. 18, No. 2, Smithsonian Summer Institute in Systematics 1968, Part 2 (Apr., 1969), pp. 204-212 (9 pages) In response to skeptics who feel that the contribution of paleobotany to phylogeny ...
This is a preview. Log in through your library . Abstract A variety of schemes are employed currently for the classification of plants into higher taxa. The two most widely used schemes, the ...
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