endemic

https://doi.org/10.1351/goldbook.14632
Pertaining to a species found in a discrete geographical unit, such as an island, habitat type, or other defined area or zone.
Source:
PAC, 2009, 81, 829. (Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)) on page 876 [Terms] [Paper]