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Plant Science and Conservation
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Staff

Training & Education
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Conservation Science
Invasive Plants

What is an Invasive Plant?

Invasive Plants in the Chicago Region

Chicago Botanic Garden Invasive Plants Policy

What can you do?

Plant Science — Conservation

Invasive Plants in the Chicago Region

Sonchus arvensis

(Field sow-thistle)

 

Photos of Sonchus arvensis.

 

For a one-on-one consultation, visit the Plant Information Service at the Gateway Visitor Center or call the Plant Information Hotline at (847) 835-0972.