E.G.H.Oliv. & I.M.Oliv. 2002 - Oliver EGH, Oliver IM (2002) The genus Erica (Ericaceae) in southern Africa: taxonomic notes 1. Bothalia 32: 37-61. doi: 10.4102/abc.v32i1.461.
There is no corrections for Erica abietina subsp. atrorosea yet.