alkali-grass

from The Century Dictionary.

• noun A name given to several species of grass growing in alkaline localities in the western portions of the United States, especially to Distichlis maritima.
• noun Puccinellia airoides (sometimes called alkali meadow-grass) and P. Lemmoni, of the northern Rocky Mountain region. Sporobolus airoides of the Southwest has been called alkali finetop.
• noun A species of poison camass, Zigadenus elegans, dangerous to stock: so called in the stock-raising regions of Montana, etc.