Galls, Diseases, and Pests - Madrone Canker
Neofusicoccum arbuti
This Pacific Madrone (Arbutus menziesii) at Rockville struggles to survive. It is dealing with a trunk canker, which is a fungal disease. It continues to grow new branches as the older ones die off.
New branches and dead branches.
Here you can see both healthy and unhealthy branches.