(Mitt.) Grolle No year - Grolle R. Hepaticopsida. in: van Zinderen Bakker Sr EM, Winterbottom JM, Dyer RA (eds.) (eds.), Marion and Prince Edward Islands. Report on the South African Biological and Geological Expedition 1965–1966. A. A. Balkema pp. 228-236. (1971).
No known synonyms