jensenii

Jensenii is a Latinized species epithet used in the scientific names of organisms to honor individuals with the surname Jensen. In binomial nomenclature, the epithet jensenii is appended to a genus name to form a species name, signaling that the species was named after a person named Jensen.

The epithet follows Latin genitive conventions, with variations to reflect gender and number. Common forms include jensenii for a male honoree, jenseniae for a female honoree, and jenseniorum for multiple honorees. The exact ending can differ among the zoological and botanical code rules, but all indicate the same commemorative purpose.

A notable use of the name is Lactobacillus jensenii, a bacterium found as part of the human vaginal microbiota. It is described as a lactic acid–producing species that contributes to the acidic environment of the vagina and is studied in human health and microbiome research. Beyond this, jensenii appears in the scientific names of other organisms across different taxa, reflecting the common practice of honoring researchers, collectors, or contributors named Jensen.

Because jensenii is a species epithet rather than a genus, it does not by itself indicate a taxonomic group beyond the specific species it names. Each occurrence is defined by the broader genus and the formal publication that established the name, following the rules of the relevant nomenclatural codes.