Phytogeography (from Greek phyto = plant and geography meaning also distribution) is the branch of biogeography that is concerned with the geographic distribution of plant species and their influence on the earth`s surface. Phytogeography is concerned with all aspects of plant distribution, from the controls on the distribution of individual spec....
• (n.) The geographical distribution of plants.
(from the article `biogeographic region`) Biogeography, the study of animal and plant distributions (and known individually as zoogeography and phytogeography, respectively), was a subject ... [4 related articles]
Phy`to·ge·og'ra·phy noun [ Phyto- + geography .] The geographical distribution of plants. 
phytogeography A written description of the geographical distribution of plants.