↑Crandall-Stotler, Barbara. & Stotler, Raymond E. "Morphology and classification of the Marchantiophyta". page 63 in A. Jonathan Shaw & Bernard Goffinet (Eds.), Bryophyte Biology. (Cambridge: Cambridge University Press:2000). ISBN0-521-66097-1
↑Forrest, Laura L.; Christine, E.; David, G.; Crandall-Stotler, Barbara J.; Clark, Alexandra; -1#Davis, Long; Hollingsworth, Michelle L. (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.
↑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.