U.P. TREE  IDENTIFICATION  KEY
from Michigan State University Extension

HARDWOOD
WINTER ID KEY

You selected:  An oppositely-branched sample
with slender or normal sized twigs.

  3.  Tree size.  At least a 4-inch trunk
        and 30 feet tall. 

          or

  3.  Shrub size.  Upland or wetland. 

CAREFULLY read each option
on the right.  This is the
hardest key to work through.
Pick the one that is closest
to your sample or describes
what you remember from
where you saw the tree.
Click on the "key" icon
to go to the next set of choices.