Adult Opportunities

Basic Plant ID (on demand)

Get the botany basics you need to identify plants in this online, self-paced class.

Content Detail

Learn how to identify plants using basic botany terms and concepts in this online, self-paced class offered by The Morton Arboretum. Whether you are a natural resources volunteer or specialist, gardener, naturalist, or artist, this introductory course provides the fundamentals you need to get started identifying plants in Illinois, Wisconsin, Michigan, and beyond.

From the comfort of your home or office, you can use the self-paced online learning modules to learn about plant identification anytime. The educational slides in the featured in the learning modules are narrated by an Arboretum plant expert and are paired with interactive, no-pressure quizzes that will help you learn the vocabulary and concepts needed to name and identify plants as well as describe their structures and life histories.

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 following 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 90 minutes. The course does not need to be completed in one sitting.

Your instructor will not be online with you. 

Course number: W011-OD


Sharon Yiesla, plant knowledge specialist, The Morton Arboretum

Sharon Yiesla is a horticulturist of more than 30 years.  She has a BS in horticulture from Purdue and an MS from University of Illinois. She has worked with University Extension in Missouri and with University of Illinois Extension and is currently the plant knowledge specialist at The Morton Arboretum.

What to Know

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

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.

Registration closes five hours before online materials are released.


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.

Continuing Education

This class fulfills a requirement for the Natural Areas Conservation Training  Program (N-ACT). Learn more about N-ACT.

Two Continuing Education Credits are available from the Society for Ecological Restoration (SER).


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