depends on the type of oak tree
there's red oaks and white oaks
an oak tree leaf duuh
The type of tree that has an obovate lobal leaf is the oak tree. There are different species of oak trees.
Identify the oak leaf
leaf
Green
They will come from the area where the leaf meets the branch usually.
well since the tree is called oak tree i thunk that it has oak leaves
Broad leaf
Palmate.
needles?
Blue Oak I just know it
sounds like mold, but could be "oak gall wasps".