UF/IFAS: Flowering Dogwood
- Includes uses, establishment and care, insects and diseases, and cultivars.
- http://edis.ifas.ufl.edu/MG267

Dogwood Diseases
- Common diseases and other problems.
- http://www.ces.ncsu.edu/depts/pp/notes/Ornamental/odin23/od23.htm

Bhg.com: Dogwood Tree
- Collection of popular dogwood trees with pictures and cultivation information.
- http://www.bhg.com/home/Dogwood-Tree.html

How to Identify and Control Dogwood Anthracnose
- Symptoms and control of this disease of flowering and Pacific dogwood.
- http://www.na.fs.fed.us/spfo/pubs/howtos/ht_dogwd/ht_dog.htm

Wild About Gardening: Dogwood
- Describes various herbaceous species, shrubs, and small trees in the genus Cornus.
- http://www.wildaboutgardening.org/en/features/section5/dogwood/dogwood.htm