APSnet Education Center Plant Disease Lessons Armillaria root de This disease lesson has an animation of the spread of Armillaria in a forest – Click on Figure 9. Black knot Brown root rot Dutch elm disease Leucostoma canker of stone fruits Verticillium wilt White pine blister rust
The American Chestnut Foundation
Arbor Day Foundation
Butternut Canker Disease—Butternut Restoration Project
Dogwood Anthracnose and Its Spread in the South
Forest and Shade Tree Pathology
Humungus (sic) Fungus Festival
Pest Tracker: National Agricultural Pest Information Service
Selected Forest and Shade Tree Diseases of Significance in the 20th Century
The Spalted Wood
Parasitic Flowering Plants
APSnet Education Center
Introduction to the Pathogen Groups Introduction to Parasitic Flowering Plants
Plant Disease Lesson Dwarf mistletoes This disease lesson includes an animation of the effect of dwarf mistletoe on a conifer forest over time. Click on Fig. 31.
Feature Articles What Does Mistletoe Have to Do with Christmas?
The Mistletoe Center
The Parasitic Plant Connection
USDA Natural Resources Conservation Services: Noxious and Invasive Weeds
