The process of identifying Illinois leaves entails looking for specific aspects of the leaves.

from the Illinois Department of Natural Resources. If you study the tree identification characteristics (page 2) and follow the directions (pages 4 and 5), you’ll be able to identify the 15 tree species just by looking at their leaves. There are more activities for you to complete as you progress through the book, too. Once you identify all of the species, can you find leaves from trees in your area to match them?

Forest Facts The white oak, Quercus alba, is the State Tree of Illinois. Yellow bronze, purple or red. Crimson King Maple. Acer platanoides 'Crimson King'. Reddish-orange. Planetree Maple. Acer pseudoplatanus. Dingy brown to yellow. Red Maple. Acer rubrum. TREE IDENTIFICATION ILLINOIS ARBORISTS‟ CERTIFICATION STUDY GUIDE Chapter 2 Jennifer Hitchcock. TAXONOMY OR PLANT Deciduous trees Broadleaved evergreens Classes of angiosperms Dicots – two cotyledons or seed leaves.

Nov 09, Northeast Illinois: The fall colors are waning, with high winds knocking down and blowing away the remaining leaves on many species of trees. Some oaks are still showing reds and browns. Red oak trees that aren’t defoliated are reddish brown. Black oaks and bur oaks are yellowish brown, with white oaks reddish brown.

May 18, Illinois. When the season comes, fall colors explode across Illinois state parks, national forests, recreation areas, and scenic drives which overlook grand rivers.

In northern Illinois, the leaf colors begin to change by the third or fourth week of September and peak around mid-October. Whereas in central Illinois, fall hues unveil themselves only during the second week of October and peak later.

Tiny leaves, oval to spatula-shaped (green or reddish-purple) Sharps spines /thorns Bright red berries (fall) Potential Look-Alikes: none, easy to identify. Locations: Prevalent in the Palos region and some areas of the Calumet region and quickly becoming a problem in other areas. Sep 04, ILLINOIS - The first day of fall is still weeks away, but the autumnal equinox isn't the best measure of when foliage will turn to blazing reds, vibrant oranges and sunny yellows in stumpclear.bar: Shannon Antinori.