References

• Tobler, M. & Schlupp, I. (2005) Parasites in sexual and asexual mollies (Poecilia, Poeciliidae, Teleostei): a case for the Red Queen? Biol. Lett. 1 (2): 166–168.
• Zimmer, Carl. Parasite Rex: Inside the Bizarre World of Nature's Most Dangerous Creatures, New York: Touchstone, 2001.
• "Allogamy, cross-fertilization, cross-pollination, hybridization". GardenWeb Glossary of Botanical Terms (2.1 ed.). 2002.
• "Allogamy". Stedman's Online Medical Dictionary (27 ed.). 2004.