]> Example of Name Published: Riccia tomentosa O. H. Volk & Perold in Bothalia 20: 25. 1990. [collector note: col. 1950-53: W, WB; S.W. Africa (col. 1937-±, 1956, 1963 & 1968): B? BM (r. 1979: 20 Hep.), BR, JE, M, NH, PC, PRE, STE, US, WBM, WIND; Spain: M (orig. Lich., col. 1957-58)] Botany Volk, Otto Heinrich Volk, Otto Heinrich O. H. Volk Otto Heinrich Volk 1903 2000