Paleobotany, also spelled as palaeobotany (from the Greek words paleon = old and `botany`, study of plants), is the branch of paleontology or paleobiology dealing with the recovery and identification of plant remains from geological contexts, and their use for the biological reconstruction of past environments (paleogeography), and both the evol..... Found on http://en.wikipedia.org/wiki/Paleobotany
(from the article `geology`) Paleobotany is the study of fossil plants. The oldest widely occurring fossils are various forms of calcareous algae that apparently lived in shallow ... The first seed plants to have evolved were gymnospermous in the sense that the seeds were naked. The earliest seedlike bodies are found in rocks of ... ... Found on http://www.britannica.com/eb/a-z/p/7