botanist

from WordNet (r) 3.0 (2006)

botanist
    n 1: a biologist specializing in the study of plants [syn:
         {botanist}, {phytologist}, {plant scientist}]

from The Collaborative International Dictionary of English v.0.48

Botanist \Bot"a*nist\, n. [Cf. F. botaniste.]
   One skilled in botany; one versed in the knowledge of plants.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

27 Moby Thesaurus words for "botanist":
      anatomist, bacteriologist, biochemist, biologist, biometrist,
      biophysicist, bryologist, cytologist, dendrologist, ecologist,
      geneticist, herbalist, mycologist, natural scientist, naturalist,
      physiologist, phytobiologist, phytoecologist, phytogeographer,
      phytographer, phytologist, phytonomist, phytopaleontologist,
      phytopathologist, phytoteratologist, pomologist, zoologist