phytogeographer

/ˌfaɪtoʊdʒiˈɑɡrəfər/
noun
  1. A scientist who studies the geographic distribution of plants and the reasons for their patterns.
    • Our guest lecturer is a renowned phytogeographer who studies how climate change shifts plant ranges.
    • The phytogeographer mapped the spread of tropical forests across the ancient continents.
    • As a phytogeographer, she spent years documenting plant species in the Andes.