1.   Among the most recent is sudden oak death syndrome, which has killed thousands of oaks and other trees in California and may threaten the mighty redwood as well.

2.   A live oak tree with sudden oak death oozes a dark secretion from its bark.

3.   But Phytophthora ramorum has been shown to cause sudden oak death syndrome, which has ravaged oak and tanoak trees in California.

4.   Complicating efforts to contain sudden oak death, however, is the discovery of the disease in commercial rhododendron nursery stock.

5.   It was unclear whether this was the same species that causes sudden oak death syndrome, but Bovero said that the dying redwoods showed very similar symptoms.

6.   Now sudden oak death.

7.   Scientists call it sudden oak death syndrome, and they are alarmed by its rapid spread and its ability to kill an ever increasing number and variety of trees.

8.   Since finding the trees, Dagit has not received any more reports of oak deaths in the Topanga area.

9.   Sudden oak death has killed tens of thousands of coast live oak, black oak and tan oak trees in eight counties along the California coastline.

10.   Sudden oak death has also been found on an array of other plants, including madrone, evergreen huckleberry, California buckeye and Pacific rhododendron.