Palaeobotany: fishing for the first plants.
D004777:Environment; D005580:Fossils; D035926:Hepatophyta / Q000145:classification / Q000648:ultrastructure; D009850:Oman; D010944:Plants / Q000145:classification* / Q000648:ultrastructure*; D013170:Spores / Q000648:ultrastructure*; D013997:Time Factors