Activity #3 - Tree Identification!

Northern hardwood (deciduous) species leaf identification guide. Four leaf outlines are in the corners of the photo. From top left clockwise they are: sugar maple, paper birch, quaking aspen, red maple.

Identifying trees is important for lumberjacks. Knowing the trees also tells us about the type of forest, the soil, wildlife and other trees nearby.
Deciduous or hardwood trees were several species of trees that were logged in the Upper Peninsula.

Resources:
Deciduous Tree Leaf I.D. Worksheet

Instructions:

  1. Collect leaves from outside.
  2. Use the worksheet to review the different parts of leaves.
  3. Draw your leaf or create a rubbing by placing the leaf beneath the worksheet and using the flat edge of a crayon to create the image of the leaf in relief.
  4. Label the parts of the leaf.

Leaf Vocabulary:
Margin - the outline of a leaf. The margin can be smooth, serrated like a saw blade or toothed.
Lobe - the "fingers of a leaf. Lobes are three sided and have a space between lobes.
Sinus - the space in between lobes
Stalk - Also called a petiole, this connects the leaf to the twig. The stalk can sometimes twist to make sure the leaf gets sunlight.
Leaf base - This is the part of the leaf that connects to the stalk. The base can be even or uneven.

 
 

Logging in the Keweenaw

Last updated: January 14, 2026

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