62 – Parasitic plants. In: D. Simberloff & M. Reymánek (eds.): Encyclopedia of Biological Invasions. Pp. 504-510. Univ. Calif. Press. Burkeley – Los Angeles (Also available in electronic version Oct. 2010).
Heide-Jørgensen H S, 2011. Parasitic plants. In: Simberloff, D and M Reymánek (eds.). Encyclopedia of biological invasions. Univ. Calif. Press,