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 Physostoma Williamson]Data retrieved on: 3 January 2020
The Interim Register of Marine and Nonmarine Genera [1365945]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [as Physostoma Williamson, 1875]
Data retrieved on: 7 February 2020