- Wingfield, M. J., and W. F. O. Marasas. 1980. Ceratocystis ips associated with Orthotomicus erosus (Coleoptera: Scolytidae) on Pinus spp. in the Cape Province of South Africa. Phytophylactia 12(2): 65-68.
- Wingfield, M. J., and W. F. O. Marasas. 1983. Some Verticicladiella species, including V. truncata sp. nov., associated with root diseases of pine in New Zealand and South Africa. British Mycological Society, Transactions 80(2):231-236.