Roets, F., de Beer, Z. W., Dreyer, L. L., Zipfel, R., Crous, P. W., & Wingfield, M. J. (2006). Multi-gene phylogeny for Ophiostoma spp. reveals two new species from Protea infructescences. CBS Fungal Biodiversity Centre.

Roets, Francois, Z. Wilhelm de Beer, Léanne L. Dreyer, Renate Zipfel, Pedro W. Crous, och Michael J. Wingfield. Multi-gene Phylogeny for Ophiostoma Spp. Reveals Two New Species From Protea Infructescences. CBS Fungal Biodiversity Centre, 2006.

Roets, Francois, et al. Multi-gene Phylogeny for Ophiostoma Spp. Reveals Two New Species From Protea Infructescences. CBS Fungal Biodiversity Centre, 2006.