There isn't a single "climax vegetation" for deciduous forests. The term "climax" refers to the stable, mature plant community that develops in a particular environment over a long period. However, the specific species composition of a climax community in a deciduous forest can vary greatly depending on factors like:

* Location: Different regions have different species.

* Climate: Temperature and precipitation levels influence which trees can thrive.

* Soil type: Soil nutrients and drainage affect plant growth.

* Disturbances: Events like fires, floods, or human activities can alter the community.

Here are some examples of climax species found in deciduous forests around the world:

* Temperate deciduous forests of North America: Sugar maple, American beech, oak, hickory, ash

* Temperate deciduous forests of Europe: Beech, oak, maple, elm, ash

* Temperate deciduous forests of Asia: Oak, maple, birch, chestnut, elm

Therefore, rather than a single climax vegetation, it's more accurate to talk about climax communities within deciduous forests, each with its own specific composition of trees and other plants.