blister rust

Noun blister rust has 2 senses

• blister rust(n = noun.state) white pine blister rust, white-pine rust - 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;
is a kind of rust

• blister rust(n = noun.plant) cronartium ribicola - fungus causing white pine blister rust and having a complex life cycle requiring a plant of genus Ribes as alternate host;
is a kind of rust, rust fungus
is a member of cronartium, genus cronartium