Taxon - Odkazy a literatura
The Interim Register of Marine and Nonmarine Genera [103907]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Williamsoniaceae]
Datum citace: 3. leden 2020
Novikoff A., Barabasz-Krasny B. (2015): System of Embryophytes [https://phytomorphology.org/personal-inf...], Plant Systematics: 23-63. Liga-Pres [jako Williamsoniaceae (Carruthers) Nathorst]Datum citace: 3. leden 2020