Alethopteris prehistoric plant from the Carboniferous period.

ALETHOPTERIS SERLII • ALETHOPTERIS ZEILLERI • ALETHOPTERIS • ARBOL • BIOLOGY • BOTANICAL • BOTANY   • BOTANY • BOTANY  • BRANCH • CARBONIFEROUS PERIOD • CARBONIFEROUS • COLOR IMAGE • COLOUR IMAGE • CUTOUT • CYATHEALES • DIGITALLY GENERATED IMAGE • EXTINCT • FERN • FOLIAGE • FROND • GROWTH • ILLUSTRATION • ILLUSTRATIONS • LEAF • MEDULLOSALES • MORPHOSPECIES • NATURAL HISTORY • NATURAL SCIENCES • NATURE STUDY • NO PEOPLE • PALAEONTOLOGY • PALEOBOTANY • PALEONTOLOGY • PALEOZOIC ERA • PALOEBOTANY • PERMIAN • PLANT • PREHISTORIC ERA • PRIMITIVE • PTERIDOSPERMATOPHYTA • PTERIDOSPERMOUS • ROOT • SEED FERNS • SINGLE OBJECT • SPERMATOPHYTE • SQUARE IMAGE • STEM • TREE FERN • TREE TRUNKS • TREE • TREES • WHITE BACKGROUND • WITHOUT PEOPLE