Taxon - Links and literature
Söderström L. et al. (2016): World checklist of hornworts and liverworts, PhytoKeys 59: 1–828 [as Lejeunea asperula (Steph.) Mizut.]Data retrieved on: 1 April 2020
Söderström L. et al. (2016): World checklist of hornworts and liverworts, PhytoKeys 59: 1–828 [as Lejeunea asperula (Steph.) Mizut.]