Adult Opportunities

Botanical Names Demystified (on demand)

Learn to call plants by their botanical names.

Content Detail

Learn to call plants by their botanical names. In this online class, you will learn:

  • the limitations of using the common names of plants;
  • the importance of the scientific names of plants;
  • why botanical names are useful and important;
  • tips and tricks for pronunciation of scientific names, and;
  • the botanical names for 40 common native plant species in Illinois, Wisconsin, Michigan, and the Great Lakes Region.

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

How Self-Paced Online Classes Work

To access the class, you will log into TreeLearning, the Arboretum’s online learning portal. Instructions for accessing TreeLearning will be sent to registrants by email from upon registration. You have access to the course for 60 days and can complete the materials anytime.

Complete the self-paced e-learning modules with reading material, short videos, interactive activities, and quizzes to check your understanding. 

The course will take approximately two hours. The online materials do not need to be completed in one sitting.

There will not be an instructor online with you.

Course number: N235-OD


Chris Benda

Chris Benda, aka Illinois Botanizer, is a botanist and past president of the Illinois Native Plant Society. He teaches at Southern Illinois University and The Morton Arboretum. He is an accomplished photographer and author of several publications about natural areas in Illinois. Learn more about his work on his website, Illinois Botanizer.

What to Know

This class is held entirely online and is available within one hour of registration. 

The online materials will take approximately 2 to 2.5 hours to complete. Materials can be completed at your own pace.

Participants will have access to online materials for 60 days after the course start date. 


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.


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