underspecies

Example:The Siberian dog is a subspecies of the domestic dog.

Definition:A taxonomically recognized division of a species, often distinguished by geographical and or behavioral characteristics.

Example:The lavender rose is a variety of Rosa hybrid varieties.

Definition:A group of organisms within a species that differs from others in some of its characteristics but still retains a capacity for interbreeding with them.

Example:The crop variety has a strain that resists a common pest.

Definition:A group of organisms within a species that can be distinguished from others on the basis of some characteristic or the genetic basis of this characteristic.