Phytogeography, also called geobotany,'s the branch of biogeography that's concerned with the geographic distribution of plant species, or more generally, plants. Phytogeography's concerned with all aspects of plant distribution, from the controls on the distribution of individual species ranges (at both large and small scales, see species distribution) to the factors that govern the composition of entire communities and floras. Overview The basic data elements of phytogeography are occurrence… (More on Phytogeography)