In California forests, the pathogen often spreads to oaks though bay laurel trees, whose leaves are highly infectious. Three separate lineages of Phytophthora ramorum have been detected in ...

Among the species now growing in Ticino are the bay laurel, camphor tree laurel, cherry laurel ... But Ticino’s most famous fruit, the chestnut, is not yet in any danger of being driven out ...

Avocado trees are a popular fruit tree grown in Brevard County ... The ambrosia beetle has been found to kill other trees in the laurel family, such as avocado (P. americana), swamp bay (P. palustris) ...