Richardsonii

Richardsonii can refer to several different things, most commonly a species of plant or animal.

In botany, Richardsonii often appears as a specific epithet in plant scientific names, indicating a plant named in honor of or described by someone with the surname Richardson. For example, *Saxifraga richardsonii* is a species of saxifrage. The characteristics of plants designated with richardsonii will vary greatly depending on the genus and species.

In zoology, richardsonii is also frequently used as a specific epithet. A notable example is *Richardsonius balteatus*, commonly known as the Redside Shiner, a small freshwater fish found in North America. Another is *Pteromys sabrinus richardsonii*, a subspecies of the Northern flying squirrel. As with plants, the specific traits of animals named richardsonii are determined by their taxonomic classification.

The surname Richardson is of English and Scottish origin, meaning "son of Richard." The use of richardsonii in scientific nomenclature is a common way to acknowledge individuals who have contributed to the field of natural history, whether through discovery, description, or collection. Without further context, it is difficult to specify which "richardsonii" is being referred to, as it is a widely adopted descriptor in binomial nomenclature.

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