Fagus orientalis, the Oriental beech, a deciduous tree species found from northwest Turkey east to the Caucasus and Alborz Mountains
Typha orientalis | Platanus orientalis | Fossils of ''S. aurorae'' (left) and ''S. orientalis'' (right) at the National Museum of Nature and Science | William (marcha orientalis) | Trema orientalis | Rhynchelmis orientalis | Orientalis Ecclesiae | Nauclea orientalis | Hyacinthus orientalis | Fagus orientalis | Crataegus orientalis |
Rhynchelmis orientalis, a freshwater worm species found on Hokkaidō, Japan
In ssuk injeolmi (쑥인절미) and surichwi injeolmi (수리취인절미) are ssuk (Artemisia princeps var. orientalis) and surichwi (Synurus deltoides (AIT.) NAKAI) added.
Vibrio orientalis, a Gram-negative bacterium species in the genus Vibrio