- Source: L. occidentalis
- Carex occidentalis
- Salvia occidentalis
- Pipestela occidentalis
- Banksia occidentalis
- Dirphya occidentalis
- Carex austro-occidentalis
- Psychotria occidentalis
- Pterolophia occidentalis
- Asbestopluma (Asbestopluma) occidentalis
- Anisoceraea occidentalis
- L. occidentalis
- Western conifer seed bug
- Northwestern wolf
- Thuja occidentalis
- Subspecies of Canis lupus
- Celtis occidentalis
- Ligia occidentalis
- Western gull
- Senna occidentalis
- Platanus occidentalis
L. occidentalis may refer to:
Leptochilus occidentalis, a wasp species in the genus Leptochilus
Leptoglossus occidentalis, the western conifer seed bug, a true bug species native to California, Oregon and Nevada, United States
Leptotyphlops occidentalis, the Western thread snake
Linderiella occidentalis, the California fairy shrimp, a shrimp species native to California
Lepisosteus occidentalis, a gar that lived from the late Cretaceous to Eocene.
See also
List of Latin and Greek words commonly used in systematic names#O