Unacceptable Right-of-Way Trees

Specie Common Name	Characteristics
All Evergreens (Pine, Fir, Spruce)	Sight line obstruction
Ash (All Species)	Emerald Ash Bore infestation
Birch	Disease prone, insects, short lived
Black Cherry	Messy fruit
Black Locust	Weakly attached limbs, thorns, insect prone
Black Walnut, Butternut	Messy fruit
Common Apple, Pear	Messy fruit
Ginkgo (Female)	Messy, smelly fruit
Hickory (Shagbark, Bitternut)	Messy fruit
London Plaintree	Disease prone, frost crack, shedding bark
Mountain Ash	Disease prone
Mulberry	Messy fruit
Oak, Red, White, Bur	Insect, disease problems, poor structure
Ohio Buckeye	Messy fruit
Red Maple	Weak wood, storm damage, Soil PH intolerant
Russian Olive	Weak wooded, disease problems, poor structure
Sugar Maple	Sensitive to drought, air pollution, salt
Sycamore	Disease prone, frost crack, shedding bark

Specie Common Name	Characteristics
Alianthus - Tree of Heave	Weak wood, storm damage
Box Elder	Disease problems, shallow root system, storm damage
Catelpa	Seed pods, disease problems, weak wood
Elm (except hybrids)	Dutch Elm Disease, pest and pathogen susceptibility
Poplar species	Cotton-like seeds, storm damage, shallow root system
Silver Maple	Shallow root system, storm damage, brittle wood, heavy seed litter
Willow species	Shot lived, pest and pathogen susceptibility

Unauthorized Right-of-Way Trees