Oliv. 1887 - Oliver D (1887) XVII. Enumeration of the Plants collected by Mr. H. H. Johnston on the Kilima-njaro Expedition, 1884. Transactions of the Linnean Society of London. 2nd Series: Botany 2(15): 327-355. doi: 10.1111/j.1095-8339.1887.tb01008h.x.
There is no corrections for Hypericum kiboense yet.