Chisumpa & Brummitt (Engl. & Gilg) 1987 - Chisumpa SM, Brummitt RK (1987) Taxonomic Notes on Tropical African Species of Protea. Kew Bulletin 42(4): 815-853. doi: 10.2307/4109930.
There is no corrections for Protea micans subsp. trichophylla yet.