The study of fossil plants WordNet 3.0 & Open English WordNet

Paleobotany, also spelled as palaeobotany, is the branch of botany dealing with the recovery and identification of plant remains from geological contexts, and their use for the biological reconstruction of past environments, and the evolutionary history of plants, with a bearing upon the evolution of life in general. Wikipedia

Branch of botany and paleontology Wikidata

The branch of paleontology that deals with the study of plant fossils. Wiktionary

Branch of paleontology. Wiktionary (translation)