Phytophthora ramorum (Oomycota) (Werres et al., 2001) is the plant pathogen responsible for the lethal disease of several oak species in California known as sudden oak death. The pathogen also causes a foliar disease on Umbellularia californica (bay laurel or simply bay). Bay leaves have been identifi ed as the major source of natural inoculum in California coastal woodlands. Because of the epi...

Mycorrhizal fungi are key components of soil biodiversity that offer potential to provide sustainable solutions for land management, notably in agriculture and forestry. Several studies conducted controlled environments show functional attributes common mycorrhizal networks (CMNs), which inter-link different plants, influenced by management practices. Here, we highlight the need consider how af...