Ключевые слова: adaptation, ancient, angiosperms, biodiversity, cambrian, carboniferous, conifers, cretaceous, cycads, devonian, evolution, extinction, ferns, fossils, ginkgo, gymnosperms, horsetails, illustration, jurassic, lycophytes, mesozoic, morphology, ordovician, paleobotany, paleoclimate, paleoecology, permian, plants, seedless, silurian, stratigraphy, triassic, vascular,