Taxon - Links and literature
Piippo, S. & Norris, D. H. (1996): A revision of Californian Porella (Hepaticae), Ann. Bot. Fennici 33: 137–152 [as Porella bolanderi (Aust.) Pears.]
Söderström L. et al. (2016): World checklist of hornworts and liverworts, PhytoKeys 59: 1–828 [as Porella bolanderi (Austin) Pearson]Data retrieved on: 1 April 2020