Identify by Fruit
Acorn
Select the image that best matches your sample

Acorn cup with fringe
Bur Oak

Acorn on long stalk 1.5" to 3" long
Swamp White Oak

Cup without fringe, acorn short-stalked or without stalk
Select the image that best matches your sample

Acorn cup with fringe
Bur Oak

Acorn on long stalk 1.5" to 3" long
Swamp White Oak

Cup without fringe, acorn short-stalked or without stalk