SOD (Phytophthora ramorum) symptoms on tanoak.

Bleeding from P. ramorum canker on coast live oak.

P. ramorum zone lines on coast live oak.

Tip droop symptom of sudden oak death on tanoak (Lithocarpus densiflorus).

Tip dieback symptoms caused by P. ramorum on tanoak.

Twig symptoms.

Leaf symptoms on rhododendron confirmed positive for P. ramorum.

Symptoms on rhododendron. Leaf spots penetrate the leaf and are the same on both sides.

Spots often form where water collects and remains on the leaves.?

Symptoms on California bay laurel where water collects and remains on the leaves.

Leaf symptoms on rhododendron.

Sudden oak death symptoms on blueberry.

Wilting symptoms of P. ramorum on Douglas fir.