The oldest group of specimens was recovered from the late Oligocene age Kukak Bay flora exposed on the Katmai National Park and Preserve along the Shelikof Strait in Alaska.
Acer saccharinum | Acer saccharum | Acer pseudoplatanus | Acer macrophyllum | Acer Inc. | Acer platanoides | Acer rubrum | Acer palmatum | Acer pictum subsp. mono | Norway Maple (''Acer platanoides'') | Manitoba Maple (''Acer negundo'') | Acer sempervirens | Acer heldreichii | ''Acer griseum | Acer davidii | ''Acer'' |