![Sudden Oak Death, Phytophthora ramorum, is a devastating disease found primarily in California and Oregon. It is a strange, eukaryotic plant pathogen that causes affected trees to leak dark, gross sap. It is found in oaks, but also other tree species. The above picture shows dead trees among unaffected ones. [x]](http://24.media.tumblr.com/40a40be3add26ceabe94db4cb6c780e1/tumblr_mlskhjs4q91r68th6o1_1280.jpg)
Sudden Oak Death, Phytophthora ramorum, is a devastating disease found primarily in California and Oregon. It is a strange, eukaryotic plant pathogen that causes affected trees to leak dark, gross sap. It is found in oaks, but also other tree species. The above picture shows dead trees among unaffected ones. [x]
![Oak tree buds. [x]](http://25.media.tumblr.com/bb6d5fbb0fdd0894b65988b3e5da35a7/tumblr_ml0oqnNcYG1r68th6o1_1280.jpg)
Oak tree buds. [x]
Photo by ~RHS on DeviantArt.
An oak leaf.
The scientific name of White Oak is Quercus alba. It is very common in eastern North America, and can live to be very old, in excess of 450 years. The USS Constitution, also known as “Old Ironsides” was constructed from White Oak.
The leaf of an oak tree.
This is The Major Oak, found in the Sherwood Forest in Nottingham, England. Folklore states that Robin Hood and his outlaws used it for shelter. It’s approximately 900 years old. (source)
