Place of publication:
D. Prain, Fl. trop. Afr. 9:880. 1930 (Bews, World Grasses 229. 1929, nom. nud.)
Comment:
lack of valid publication by Bews verified from original literature, where Bews lists as "R. roseum Stapf & Hubbard", but provides no description or reference to a basionym, thus not meeting the requirements of Melbourne ICN Art. 41.4