Acer hillsi

Acer hillsi is an extinct maple species in the family Sapindaceae described from a single fossil samara. The species is solely known from the Early Eocene sediments exposed in northeast Washington state, United States and the adjacent area of south central British Columbia, Canada. It is one of only two species belonging to the extinct section Stewarta.

Acer hillsi

Acer hillsi is an extinct maple species in the family Sapindaceae described from a single fossil samara. The species is solely known from the Early Eocene sediments exposed in northeast Washington state, United States and the adjacent area of south central British Columbia, Canada. It is one of only two species belonging to the extinct section Stewarta.