Any of several diseases of pines caused by rust fungi of the genus Cronartium and marked by destructive invasion of bark and sapwood and producing blisters externally.

synonyms: white-pine rust, white pine blister rust.

Polish: rdza kory wejmutki, obwar wejmutkowo-porzeczkowy, rdza pęcherzykowata sosny wejmutki, rdza wejmutkowo-porzeczkowa

Fungus causing white pine blister rust and having a complex life cycle requiring a plant of genus Ribes as alternate host.

synonym: Cronartium ribicola.