Artemisia Tridentata - Taxonomy

Taxonomy

There are four major subspecies of big sagebrush:

• A. tridentata subsp. tridentata ("basin big sagebrush")
• A. tridentata subsp. vaseyana ("mountain big sagebrush")
• A. tridentata subsp. wyomingensis ("Wyoming big sagebrush") -- Found in the drier portions of the sagebrush steppe. Shrub density is generally less than 1 plant/m2, with little herbaceous cover surrounding the shrub.
• A. tridentata subsp. xericensis ("scabland big sagebrush")