Resources

These technical publications are available to the public and provide valuable information on forest and tree health, forest stewardship, Illinois Forestry in Focus, invasive species, and silvics and forest ecology. 

In addition to these technical publications, Illinois Extension Forestry provides presentations and other recorded content through our YouTube Channel.

Illinois Timber Price Bulletins

Custom Sawmills & Woodworkers StoryMap

• 2010-2014, 2015-2019
• 2000-2004, 2005-2009
• 1990-1994, 1995-1999
• 1980-1984, 1985-1989
• 1978-1979

Forest & Tree Health

• Laurel Wilt on Sassafras
• Oak Skeletonizer Affecting Shingle Oak
• Southeastern Forests and Climate Change: Illinois Supplement

Forest Stewardship

• Professional Consulting Forester StoryMap
• Agency or Staff Forester StoryMap
• Illinois Forestry Best Management Practices
• Plat of Survey and Tax Parcel Maps
• Illinois Forestry Contractor’s List
• Illinois Technical Forestry Assistance
• Oak System Recovery: A Vision for Sustaining Oaks in Southern Illinois

Illinois Forestry in Focus

• Checklist of Illinois Native Trees
• At the Crossroads of Forestry and Wildlife Management
• Planning to Harvest Timber? Consider Hiring a Consultant
• To Treat or Not to Treat? Should you treat your ash trees for emerald ash borer

Invasive Species

• Extension website: Invasive Plants in Illinois, Illinois Regulations Regarding Invasive Plant Species.
• Guide: Management of Invasive Plants and Pests of Illinois
• Invasive Plant Phenology Report Series: 2016, 2017, 2018
• Individual species: Poison Hemlock, Spotted Lanternfly, Jumping Worms,
• Garlic Mustard: Homeowners, Land managers.
• Winter Identification of Bush Honeysuckle: Factsheet,  Video
• Stiltgrass: Field Guide to the Identification of Japanese Stiltgrass, Japanese Stiltgrass Hidden Reproduction InfographicWineberry Invasive Species Factsheet
• Giant Hogweed Comparison and Identification Sheet
• Oriental vs American Bittersweet: Winter identification
• Invasive Plant Responses to Silvicultural Practices in the South

Silvics & Forest Ecology

• Checklist of Illinois Native Trees
• Distinguishing Persimmon and Black Gum Leaves and Twigs
• Identification Characteristics of Hickory Species Native to Illinois
• Maximum Tree Age and Longevity

Forestry and Wildlife

Managing Forests for Bats in Illinois 

Illinois Tree Farm Program

Tree Farm Program Orientation Manual

IDNR Division of Forest Resources

• IDNR District Forester Offices
• IDNR Division of Forest Resources