I.Darbysh. (Heine) 2009 - "Champluvier D, Darbyshire I (2009) A revision of the genera ""Brachystephanus"" and ""Oreacanthus"" (Acanthaceae) in tropical Africa. Systematics And Geography of Plants 79(2): 115-192. Retrieved from http://www.jstor.org/stable/25746605"
There is no corrections for Brachystephanus jaundensis subsp. nimbae yet.