Cronartium Ribicola, commonly known as white pine blister rust, is a fungal disease that affects various species of white pines. Synonyms for Cronartium Ribicola include pine blister rust, white pine blister rust, ribes rust and gooseberry blister rust. The disease is typically spread through the alternate hosts of currant and gooseberry plants, which serve as primary sources of infection for white pines. Symptoms of the disease include yellowing and wilting of needles, cankering of branches, and eventual death of the tree. The prevention of Cronartium Ribicola involves proactively managing alternate hosts and quarantine measures to prevent the spread of diseased trees.