Ohio buckeye, deciduous North American tree.

Aesculus indica, commonly known as the Indian horse-chestnut or Himalayan horse chestnut, is a species of deciduous broad-leaved tree in the family Sapindaceae.

Small deciduous tree, showy flowers.

Tree commonly known as horse-chestnut.

Aesculus flava, also known commonly as the common buckeye, the sweet buckeye, and the yellow buckeye, is a species of deciduous tree in the subfamily Hippocastanoideae of the family Sapindaceae.

Trees and shrubs, horse chestnut family.

Aesculus californica, commonly known as the California buckeye or California horse-chestnut, is a species of buckeye native to California and southwestern Oregon.