Rabeau, Lucile, S. Robbert Gradstein, Jean-Yves Dubuisson, Martin Nebel, Dietmar Quandt, and Catherine Reeb. 2017. “New Insights into the Phylogeny and Relationships Within the Worldwide Genus Riccardia (Aneuraceae, Marchantiophytina)”. European Journal of Taxonomy, no. 273 (February). https://doi.org/10.5852/ejt.2017.273.