Hybrid fitness in a locally adapted parasite

Dybdahl MF, Jokela J, Delph LF, Koskella B & Lively CM
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Dybdahl, M. F., Jokela, J., Delph, L. F., Koskella, B., & Lively, C. M. (2008). Hybrid fitness in a locally adapted parasite. American Naturalist, 172(6), 772-782. https://doi.org/10.1086/592866