Taxon - Links and literature
Novikoff A., Barabasz-Krasny B. (2015): System of Embryophytes [https://phytomorphology.org/personal-inf...], Plant Systematics: 23-63. Liga-Pres [as Haesselia Grolle et Gradst.]Data retrieved on: 23 December 2019
The Interim Register of Marine and Nonmarine Genera [1353239]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [as Haesselia R. Grolle & S.R. Gradstein, 1988]
Data retrieved on: 13 December 2019
Söderström L. et al. (2016): World checklist of hornworts and liverworts, PhytoKeys 59: 1–828 [as Haesselia Grolle et Gradst.]Data retrieved on: 27 March 2020