Taxon - Odkazy a literatura
Scapania americana Müll. Frib.
Söderström L. et al. (2016): World checklist of hornworts and liverworts, PhytoKeys 59: 1–828 [jako Scapania americana Müll.Frib.]Datum citace: 27. březen 2020
Scapania americana Müll. Frib. Söderström L. et al. (2016): World checklist of hornworts and liverworts, PhytoKeys 59: 1–828 [jako Scapania americana Müll.Frib.]