Media type: E-Article Title: Reconciling Extreme Branch Length Differences: Decoupling Time and Rate through the Evolutionary History of Filmy Ferns Contributor: Schuettpelz, Eric; Pryer, Kathleen M. imprint: Oxford University Press (OUP), 2006 Published in: Systematic Biology Language: English DOI: 10.1080/10635150600755438 ISSN: 1076-836X; 1063-5157 Origination: Footnote: