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Invasive Species (Online Only)

Schedule and location


  • Monday, February 3, 2020: 11:59 p.m. U.S. Central time: Registration closes
  • Tuesday, February 4, 2020: Noon U.S. Central time: Online course becomes available

Fees and Registration

$29.00 member
$34.00 nonmember
(Fees include admission to the Arboretum)

BY PHONE: 630-719-2468 ( Monday through Friday, 9:00 a.m. to 4:00 p.m.)

Course description

Learn to identify and manage the most common invasive plants in the Great Lakes region.  Managing invasive plants is one of the most common restoration tasks. Learn to identify the characteristics of common invasive plants and describe their impacts on the landscape; discuss invasive plant ecology, and learn to which control methods are best suited to each plant.

In this online class, the self-guided material can be completed wherever you have access to a computer, at your own pace. 

Course number



Mary Zaandar, ecologist

"Mary Zaander works to restore native ecosystems at Witness Tree Native Landscapes as owner and manager, her vocation for 22 years.  Her ecosystem education began as a volunteer in the late 1980’s, continued with a master’s degree from Northeastern Illinois University and is ongoing today both professionally and as a volunteer.

Course details


  • This class is held entirely online.
  • The online materials will take approximately 90 minutes to complete.
  • Participants will have access to the online materials for 60 days after the course start date.
  • Limit 40


  • Participants must have access to the internet and know how to use a web browser (ex: Chrome, Safari, Internet Explorer)
  • Participants must know how to send and receive email.
  • A unique email address for each participant is required at registration.

Prerequisites: Basic Plant ID (W100) or previous experience with plant identification recommended.
Continuing education: This class fulfills a requirement for the Natural Areas Conservation Training (N-ACT) Program. (Learn more about N-ACT.)

Arboretum class weather, cancellation and refund policies

Invasive Species (Online Only)