Dana is the most diverse area of plant life in the country, consisting of numerous vegetation types including: Phoenician juniper, evergreen oak, sand dunes, acacia, and rocky sudanian.
Dana is the southernmost area in the world to host the Mediterranean cypress, Cupressus sempervirens. Of the hundreds of plants species inhabiting Dana, three can be found nowhere else in the world.[which?] Many plants, especially trees and shrubs, grow in the highlands of the nature reserve.