Carex occidentalis was created in 1889.
Carex umbrosa was created in 1801.
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.
Daphnia occidentalis was created in 1986.
Pogonomyrmex occidentalis was created in 1865.