Bunker Hill Forest Preserve Field Guide
Poison Ivy
Toxicodendron radicans (Poison ivy; older synonyms Rhus toxicodendron, Rhus radicans) is a plant in the family Anacardiaceae. It is a woody vine that is well known for its ability to produce urushiol, a skin irritant that causes an itching rash for most people, technically known as urushiol-induced contact dermatitis but it is not a true Ivy ...more ↓
hoptree
The Hoptree (Ptelea trifoliata, Rutaceae) is a deciduous shrub or small tree 6-8 m tall with a broad crown. It is native to North America, from southern Ontario, Canada southeast to Florida, USA, west to southern California and south to Oaxaca in southern Mexico.
Box Elder
Acer negundo is a species of maple native to North America. Box Elder, Boxelder Maple, and Maple Ash are its most common names in the United States. Other variant names -- some of which are regional - include Ash Maple, Ash-leaf Maple, Black Ash, California Boxelder, Cutleaf Maple, Cut-leaved Maple, Negundo Maple, Red River Maple, Stinking Ash, Sugar Ash, ...more ↓
Silver Maple
The silver maple (Acer saccharinum)  also called creek maple, river maple, silverleaf maple, soft maple, water maple, or white maple  is a species of maple native to eastern North America in the eastern United States and adjacent parts of southeast Canada. It is one of the most common trees in the United States.
Sugar Maple
Acer saccharum (Sugar Maple) is a species of maple native to the hardwood forests of northeastern North America, from Nova Scotia west to southern Ontario, and south to Georgia and Texas.
