ge·o·bot·a·ny
(jē′ō-bŏt′n-ē)
ge′o·bo·tan′ic (-bə-tăn′ĭk), ge′o·bo·tan′i·cal adj.
ge′o·bo·tan′ic·al·ly adv.
ge′o·bot′a·nist (-bŏt′n-ĭst) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
geobotany
(ˌdʒiːəʊˈbɒtənɪ) n (Botany) the study of plants in relation to their geological habitat
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
phy•to•ge•og•ra•phy
(ˌfaɪ toʊ dʒiˈɒg rə fi)
n. the science dealing with the geographical relationships of plants.
[1840–50]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.