| cronartium | (n) rust fungi having aecia produced in raised or swollen sori and teliospores borne in waxy columns, Syn. genus Cronartium |
| blister rust | (n) fungus causing white pine blister rust and having a complex life cycle requiring a plant of genus Ribes as alternate host, Syn. Cronartium ribicola |
| Cronartium | n. A genus of rust fungi having aecia produced in raised or swollen sori and teliospores borne in waxy columns. |