↑ Heinrichs, Jochen; S. Robbert Gradstein; Rosemary Wilson; Harald Schneider (2005). “Towards a natural classification of liverworts (Marchantiophyta) based on the chloroplast gene rbcL”. Cryptogamie Bryologie 26 (2): 131–150.
↑ 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. Chú thích sử dụng tham số |coauthors= bị phản đối (trợ giúp)
↑ 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.
↑ Schuster, Rudolf M. (1992). The Hepaticae and Anthocerotae of North America . Chicago, Ill.: Field Museum of Natural History. tr. 527. ISBN0-914868-20-9.
