TY - GEN AU - Eriksson,Torsten TI - Evolutionary biology: ferns reawakened SN - 1476-4687 PY - 2004///0414 KW - Biodiversity KW - Biological Evolution KW - Ferns KW - physiology KW - Fossils KW - Magnoliopsida KW - Models, Biological KW - Phylogeny KW - Time Factors KW - Trees N1 - Publication Type: News; Comment UR - https://doi.org/10.1038/428480a ER -