Publication: Pacif. Railr. Rep. Parke, Bot. 7(3/1): 21. 1856.
selected vouchers: WTU
Notes: rare in WA?
FNA25: "Sporobolus airoides grows on dry, sandy to gravelly flats or slopes, at elevations from 50-2350 m. It is usually associated with alkaline soils. Its range extends into northern Mexico."