^Klinggräff, H. E. M. v. (1858). Die höheren Cryptogamen Preussens. Königsberg.{{cite book}}: CS1 maint: location missing publisher (link)
^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. S2CID85912159.{{cite journal}}: CS1 maint: numeric names: authors list (link)