Grasses, Sedges & Rushes

A page within Wetland delineation workshop series

Grasses, Sedges & Rushes: June 27–29, 2023
UW-La Crosse, La Crosse, Wisconsin

Grasses, Sedges & Rushes

What You Will Learn

This workshop introduces participants to the basics of identification of grasses, sedges, and rushes; three graminoid families with species commonly found growing in wetlands and adjacent uplands. Lectures on taxonomy, plant structure and use of appropriate plant keys for identification are provided with a mixture of lab and field work. It is helpful to have a basic understanding of plant identification prior to enrolling in this workshop.


Prairie Springs Science Center
UW-La Crosse
615 East Ave. N.
La Crosse, WI 54601

Participant Registration


State & Government agencies
Non-profit organizations
Tribal Agencies
Private Employers $749

Registration includes: lunch, parking*, breaks and instruction.

*Attendees will be emailed a coupon code for campus parking approximately 2 weeks before the event.

Continuing Education Units

2.075 CEUs/20.75 Contact Hours

Continuing Education Units (CEUs) are a means of recognizing and recording satisfactory participation in non-degree programs. University of Wisconsin-La Crosse (UWL) awards one CEU for each 10 contact hours in a continuing education experience. Actual contact hours are recorded. CEUs are offered at no additional charge, through UWL.

UWL CEUs fulfill continuing education requirements for many professionals, agencies and organizations. Professional associations may have specific licensing requirements. Individuals should contact their licensing association before assuming UWL CEUs will fulfill all requirements.

UWL keeps records of individual CEUs for three years of programming. Certificates are emailed within two weeks of the conclusion of each program. Requests for duplicate CEU certificates are charged a $15 processing fee.

Request form for duplicate CEU hours & certificates

Cancellation policy:

Substitutions welcome. Full refund less $50 processing fee two weeks prior to event, no refunds thereafter. Cancellations must be submitted in writing to:

Grasses, Sedges and Rushes
June 27–29, 2023

Day 1: Tuesday June 27, 2023

8–8:30 a.m. Sign-in 
8:30–8:45 a.m. Introduction of instructors and participants
8:45–10:30 a.m.

Introduction to the Grasses, Sedges and Rushes
Course objectives:

  • Basic plant taxonomy, terminology and references
  • Differentiation of the grasses, sedges and rushes
10:30–10:45 a.m. Break
10:45 a.m.–Noon Introduction to the Grasses, Sedges and Rushes (continued)
Overview of Common Upland Sedges and Grasses
Noon–12:30 p.m. Lunch
12:30–4:30 p.m.

Laboratory exercises

  • Use of dichotomous keys
  • Keying out grass and sedge specimens


Day 2: Wednesday, June 28, 2023

8–8:30 a.m. Sign-in
8:30 a.m.–4 p.m.

Field Trip to observe and collect specimens at local wetland, including lunch in the field


Day 3: Thursday, June 29, 2023

8–8:30 a.m. Sign-in
8:30–11 a.m. Field Trip to observe and collect specimens at local wetland
11–Noon Lunch
Noon–12:30 p.m. Quiz
12:30–3:30 p.m.

Laboratory activities

  • Keying out sedge and rush specimens
3–3:30 p.m. Wrap-up and training evaluation


A limited block of rooms are available at:

Courtyard by Marriott
500 Front St., La Crosse, Wis

Reserve your room

  • Last Day to Book: Tuesday, May 30, 2023
    Please reserve your overnight accommodations early as there are a limited number of special rates available. Once a room block has filled and/or after room block expiration date, reservations received are subject to space availability and at prevailing room rates.
  • Refer to: Grasses, Sedges and Rushes 2023 workshop when making reservations.

Room rates, per night: (government per diem rate, may be subject to change)

  • $98, King (plus sales and room tax)

Please refer to the hotel's website or contact them directly for check-in and check-out times, services and amenities, directions, parking/shuttle service and other hotel information.

Steve Eggers expanding section

Steve Eggers is a senior ecologist and Professional Wetland Scientist with the Regulatory Branch of the St. Paul District, U.S. Army Corps of Engineers. He has specialized in Clean Water Act jurisdiction, wetland plant communities, wetland delineation, compensatory mitigation, and impact assessment of projects in waters/wetlands. Since 1994, he has served as lead instructor for Regulatory IV (wetland delineation) training sessions in Minnesota and Wisconsin for Tribal, Federal, state and local agency staff. Steve is a member of both the National Advisory Team for Wetland Delineation and the National Technical Committee for Wetland Vegetation. He co-authored Plants and Plant Communities of Minnesota and Wisconsin (1987, 1997, 2011) now in its third edition. 

Pat Trochlell expanding section

Pat Trochlell is a wetland ecologist with the Wisconsin Department of Natural Resources working on wetland issues including wetland identification and delineation, training, assessment, invasive species, monitoring, mitigation and restoration. Her background is in wildlife biology, soil science and wetland ecology 

Meredith Thomsen expanding section

Meredith Thomsen is the Dean of Graduate & Extended Learning, a member of the River Studies Center, and a former Biology Professor at UW-La Crosse. A wetland ecologist specializing in floodplain forest restoration, she may be the midwest's expert in digging through reed canary grass to find silver maple seedlings. She will be assisting with course and field logistics in La Crosse.