paleobotany

from WordNet (r) 3.0 (2006)

paleobotany
    n 1: the study of fossil plants [syn: {paleobotany},
         {palaeobotany}]

from The Collaborative International Dictionary of English v.0.48

Paleobotany \Pa`le*o*bot"a*ny\, n. [Paleo- + botany.]
   That branch of paleontology which treats of fossil plants.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Phytolithology \Phy`to*li*thol"o*gy\, n. [Phyto- + lithology.]
   The branch of science which treats of fossil plants; --
   usually called {paleobotany}, sometimes {paleophytology}.
   [1913 Webster]

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