1) Genus sporobolus 2) Liliopsid genus 3) Monocot genus 
Sporobolus is a genus of grasses in the family Poaceae. The name is derived from the Greek words and σπόρος (sporos), meaning `seed`, and βόλος (bolos), meaning `throw`, referring to the dispersion of seeds. Members of the genus are usually called dropseed grasses or sacaton grasses. They are typical prairie and savanna plants, occu...
[n] - cosmopolitan annual and perennial grasses (as dropseed or rushgrass)
genus Sporobolus noun cosmopolitan annual and perennial grasses (as dropseed or rush grass)