Cronartium rusts sporulate on a wide range of alternate hosts in northern Europe - Kaitera, Juha; Hiltunen, Ritva (U.S. Department of Agriculture, Forest Service, 2018)
Keywords: alternate hosts; Cronartium flaccidum; Cronartium ribicola; valkomännyn tervasroso; väli-isäntäkasvit; ruostesienet; tervasroso