"Utilizing Kubitzki's The families and genera of vascular plants (1990- ) and current botanical literature; arranged according to the principles of molecular systemantics." siris_sil_840362 ...
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 ...
But in the 1730s, the self-proclaimed “prince of botany” made a contribution to taxonomy that, at the time, was just as profound as any of his other achievements. After realizing that floral sex parts ...