Webinar instructions will be emailed before the date of the webinar.
Please log into the webinar 15 – 30 minutes before start time.

Tuesday, September 26, 2023
9:00 – 10:30 am CDT

Presented by Dr. Michael Liptak, PhD, and Carlyn S. Rocazella

Basic Invasive Plant Definitions

  • Native, naturalized, cryptogenic, nonnative, exotic
  • Aggressive, invasive, noninvasive
  • Noxious weed

Invasive Plant Ecology

  • Common traits of invasive plants
  • Methods of introduction – intentional vs. accidental
  • Effects on local habitats
  • Negative and positive aspects of invasive plants

Common Invasive Plants of the Midwest

Human Influences that Affect the Spread of Invasive Plants

Invasive Plant Control

  • Prevention, management, eradication
  • Physical control- solarization, cut and flood
  • Chemical control- herbicides
  • Biological control- natural predators, disease

Restoring Ecological Sites and Designing to Resist Invasion

Webinar Instructions

All attendees must log-on through their own email – attendees may not watch together if they wish to earn continuing education credit. HalfMoon Education Inc. must be able to prove attendance if either the attendee or HalfMoon Education Inc. is audited.

Certificates of completion can be downloaded in PDF form upon passing a short quiz. A link to the quiz will be sent to each qualifying attendee immediately after the webinar. The certificate can be downloaded from the Results page of the quiz upon scoring 80% or higher.

Webinars are presented via GoToWebinar, an easy-to-use application that can be run on most systems and tablets. Instructions and login information will be provided in an email sent close to the date of the webinar. It is highly recommended that you download, install and test the application before the webinar begins by clicking on the link in the email.

GoToWebinar App requirements:
Windows 7 – 10 or Mac OSX Mavericks (10.9) – macOS Catalina (10.15)

Web Browser:
The two most recent version of the following browsers:
Google Chrome, Mozilla Firefox, Apple Safari, Microsoft Edge
Internet Explorer v11 (or later) with Flash enabled

Internet connection: Minimum of 1Mbps       Hardware: 2GB RAM or more

For more information, visit the Support section at


Professional Engineers
1.5 PDHs

1.5 HSW CE Hours

1.5 LU|HSW*

Landscape Architects
1.5 HSW CE Hours

1.5 HSW PDHs*

International Code Council
.15 CEUs (Sitework)

*Live course approval. Pre-approval for on-demand format may be available upon request.
**Live course approval. Not approved for on-demand format.

Continuing Education Credit Information:

This webinar is open to the public and is designed to qualify for 1.5 PDHs for professional engineers, 1.5 HSW continuing education hours for licensed architects, and 1.5 HSW continuing education hours for landscape architects in all states that allow this learning method. Please refer to specific state rules to determine eligibility.

HalfMoon Education is an approved continuing education sponsor for engineers in Florida (Provider No. 0004647), Indiana (License No. CE21700059), Maryland, New Jersey (Approval No. 24GP00000700) and North Carolina (S-0130). HalfMoon Education is deemed an approved continuing education sponsor for New York engineers and architects via its registration with the American Institute of Architects Continuing Education System (Regulations of the Commissioner §68.14(i)(2) and §69.6(i)(2)). Other states do not preapprove continuing education providers or courses.

The American Institute of Architects Continuing Education System has approved this course for 1.5 HSW LUs (Sponsor No. J885). Only full participation is reportable to the AIA/CES.

The Landscape Architecture Continuing Education System has approved this course for 1.5 HSW PDHs. Only full participation is reportable to the LA CES.

The International Code Council has approved this event for .15 CEUs in the specialty area of Sitework (Preferred Provider No. 1232).

Attendance will be monitored, and attendance certificates will be available after the webinar for those who attend the entire course and score a minimum 80% on the quiz that follows the course (multiple attempts allowed).

On-Demand Credits:

The preceding credit information only applies to the live presentation. This course in an on-demand format may not be eligible for the same credits as the live presentation; please consult your licensing board(s) to ensure that a structured, asynchronous learning format is appropriate. The following pre-approvals may be available for the on-demand format upon request:

1.5 HSW LUs (AIA)


Dr. Michael Liptak, PhD

Senior Ecologist at EnviroScience, Inc.

Dr. Liptak specializes in wetland ecology, wetland restoration, and mitigation wetland design. He earned a B.S. in Biology at the University of Toledo and a Ph.D. in Environmental Science at Ohio State University under the noted wetland ecologist Dr. William Mitsch. Dr. Liptak has over 25 years of experience in wetlands research and consulting and is a Certified Senior Ecologist (Ecological Society of America). His primary responsibilities at EnviroScience Inc. include wetland mitigation planning, wetland assessments and delineations, technical report preparation, and permitting. Dr. Liptak is a member of the Society of Wetlands Scientists and the Ecological Society of America, and regularly gives seminars on wetland issues and regulations within Ohio

Carlyn S. Rocazella

EnviroScience, Inc., Northeast Headquarters, Stow, Ohio

Ms. Rocazella previously acted as the crew lead of the vegetation management program at EnviroScience with a focus on the treatment of exotic and nonnative plants. She is now operating as a full-time biologist and a pollinator conservation specialist with a focus on the identification, monitoring, and conservation of Midwestern, native bee communities. Ms. Rocazella earned her Bachelor of Science in Organismal Biology from Kent State University where she developed her passion for pollinator and bee communities. She has lived in Costa Rica for a cumulative 4 months as a research assistant studying the specific relationships of Neotropical bees and the local plant communities within the Palo Verde National Park. After her return to the States, she worked for the Cleveland Museum of Natural History for 2 years where she identified and helped curate their collection of North American bees. Following this, she worked with the Cuyahoga Valley National Park as a member of their vegetation management crew and acted as their weekly pollinator survey crew lead. Ms. Rocazella’s main responsibilities at EnviroScience include native habitat restoration, pollinator habitat assessment and installation, and performing population surveys for common and endangered bee populations. She has extensive experience in the research process, including preparing methodologies and executing field work necessary for high-quality data acquisition. Additionally, Ms. Rocazella is skilled in a variety of insect surveying methods with a focus on sweep netting, cup trapping, malaise trapping, as well as other techniques. She has previously held a scientific collection permit with the West Virginia Department of Natural Resources for her consultancy work with the Rusty Patched Bumble Bee, and currently holds her Endangered Species Recovery permit with the United States Fish and Wildlife Service for regions 3 and 5 to perform similar work on a federal scale. Ms. Rocazella is passionate about giving presentations about the importance of pollinators and works regularly to educate and excite others about these critical species.

AIA Info

AIA Provider Statement:
HalfMoon Education Inc. is a registered provider of AIA-approved continuing education under Provider Number J885. All registered AIA/CES Providers must comply with the AIA Standards for Continuing Education Programs. Any questions or concerns about this provider of learning program may be sent to AIA/CES ( or (800) AIA 3837, Option 3).

This learning program is registered with AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product

AIA continuing education credit has been reviewed and approved by AIA/CES. Learners must complete the entire learning program to receive continuing education credit. AIA continuing education Learning Units earned upon completion of this course will be reported to AIA/CES for AIA members. Certificates of Completion for both AIA members and non-AIA members are available upon request.

Course Title: Deep Dive into Invasive Landscape Plants

Delivery Method: Live Online

Course Description: 
This course explores the origins of invasive plants in the US, their effects on local habitats, their negative and positive qualities, human impacts on spreading invasive plants, and how invasive plants can be prevented, managed, and/or eradicated.

Learning Objectives:

Learning Objective 1:
Learners will be proficient in common plant terms in order to understand and communicate with plant experts, colleagues, and clients when discussing landscaping plans and/or problems.

Learning Objective 2:
Learners will be able to describe common traits of invasive plants, how they were introduced (intentional or accidental), their effects on local wildlife habitats, and their negative and positive contributions to local environments.

Learning Objective 3:
Learners will be able to describe how human influences affect the spread of invasive plants.

Learning Objective 4:
Learners will be able to identify and describe methods to prevent, manage, and eradicate invasive plants, including solarization, cut and flood, herbicides, natural predators, and disease.

LUs: 1.5                                                                                          LU Type: LU|HSWs.

Prerequisites: Familiarity with site development and landscaping practices

Advance Preparation: None

Program Level: Intermediate

Course Expiration Date: 03/10/2024

Complaint Resolution Policy:
Complaints regarding this course can be emailed to or by calling (715) 835-5900. A HalfMoon Education representative will respond within 72 hours to resolve the complaint, which will include, but not limited to, access to another CE activity at no or reduced cost or a full or partial refund. Each instance will be resolved on a case-by-case situation.