B.L.Burtt 1936 - Decades Kewenses. Plantarum Novarum in Herbario Horti Regii Conservatarum. Decas CXXXII (1936) Decades Kewenses. Plantarum Novarum in Herbario Horti Regii Conservatarum. Decas CXXXII. Bulletin of Miscellaneous Information (Royal Gardens, Kew) 1936(9): 490. doi: 10.2307/4111784.
There is no corrections for Streptocarpus umtaliensis yet.