He-Nygrén, Xiaolan; Aino Juslén; Inkeri Ahonen; David Glenny; Sinikka Piippo (2006). «Illuminating the evolutionary history of liverworts (Marchantiophyta)—towards a natural classification». Cladistics. 22 (1): 1–31. doi:10.1111/j.1096-0031.2006.00089.x
Forrest, Laura L.; Christine E. Davis; David G. Long; Barbara J. Crandall-Stotler; Alexandra Clark; Michelle L. Hollingsworth (2006). «Unraveling the evolutionary history of the liverworts (Marchantiophyta): multiple taxa, genomes and analyses». The Bryologist. 109 (3): 303–334. doi:10.1639/0007-2745(2006)109[303:UTEHOT]2.0.CO;2
Renzaglia, Karen S.; Scott Schuette; R. Joel Duff; Roberto Ligrone; A. Jonathan Shaw; Brent D. Mishler; Jeffrey G. Duckett (2007). «Bryophyte phylogeny: Advancing the molecular and morphological frontiers». The Bryologist. 110 (2): 179–213. doi:10.1639/0007-2745(2007)110[179:BPATMA]2.0.CO;2
