Daphnia occidentalis was created in 1986.
Carex occidentalis was created in 1889.
Emblemariopsis occidentalis was created in 1970.
Starksia occidentalis was created in 1979.
Ucides occidentalis was created in 1897.
Elachista occidentalis was created in 1882.
Linderiella occidentalis was created in 1923.
Androsace occidentalis was created in 1813.
Gymnoclytia occidentalis was created in 1908.
Toxomerus occidentalis was created in 1922.
Celtis occidentalis was created in 1753.
Pogonomyrmex occidentalis was created in 1865.
Scotura occidentalis was created in 2008.