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Trees of Wisconsin

Key to Gymnosperms of Northeastern Wisconsin

 

Pines (with leaves in fascicles of 2). There are only two native species of pines in this category in Wisconsin. I have added two additional species that are very commonly planted.

4. Leaves less than 10 cm (4 inches) long Twin Leaves 5
4. Leaves more than 10 cm long 10cm twin leaves 6