![](http://4.bp.blogspot.com/_zXKbTJ2-AMI/S_KkiSvSHcI/AAAAAAAACFM/Ipok9LmgNN0/s320/black+spot+again.jpg)
Black spot on rose. Photo provided by: Division of Plant Industry Archive, Florida Department of Agriculture and Consumer Services, Bugwood.org
![](http://3.bp.blogspot.com/_zXKbTJ2-AMI/S_KkiHVW2PI/AAAAAAAACFE/tibi5U7JKl0/s320/dogwood+pm.bmp)
Powdery mildew on dogwood. Photo found at: http://www.ca.uky.edu/agcollege/plantpathology/ext_files/PPFShtml/PPFS-OR-W-13.pdf