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 ...

An agglomerative clustering method is outlined and its application is illustrated by reference to a classification of flood-plain communities. This method operates on metric distance and uses the ...