Prairie dropseed is found in 24 states and 4 Canadian provinces with remnant tallgrass prairie stands. The species is scattered from Wyoming and Colorado east to Connecticut and Massachusetts and as far south as Texas [12,23].
Snyder, S. A. 1992. Sporobolus heterolepis. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available: http://www.fs.fed.us/database/feis/