Cypress canker

Cypress canker
Asexual fructifications of cypress canker disease
Causal agents	Seiridium spp.
Hosts	Cypress trees
Distribution	Europe, North America, Australia, New Zealand

Cypress canker is a disease affecting Cupressus species, caused by one of several species of fungus in the genus Seiridium. Infection causes die-back of twigs and branches in susceptible cypress trees,^[1] with rapidly increasing amounts of damage and the death of the tree.