Vegetation and plant community composition for 150 extensive mature black spruce sites in interior Alaska

Floristic composition, species lists, and sorted Braun-Blanquet table for 150 extensive sites across interior Alaska from the Brooks Range to the Alaska Range, along the Taylor Hwy, Alaska Hwy, Richardson Hwy, Steese Highway, Elliot Hwy, and Dalton Hwy. The abundances of every vascular and nonvascular species was estimated visually using the Braun-Blanquet cover estimate scale (see Kent and Coker 1992 for a description of method, or T.Hollingsworth CJFR manuscript