yardgrass

 

From yard +‎ grass.

yardgrass (uncountable)

1. Grass in a lawn
   • 1998, Tabor Evans, Longarm and the Wyoming Wildwomen‎^[1], page 150:

     Longarm followed the path in the yardgrass to a cellar door at the rear of the bigger frame church.

2. Eleusine indica, a coarse annual grass often found as a weed
   • 1991, David Moresby Moore, Plant Life‎^[2], page 34:

     The yardgrass (Eleusine indica) has similarly spread along roadside verges in western Africa and other tropical regions.

• crowfootgrass
• Indian goosegrass
• wiregrass

•   Eleusine indica on Wikipedia.Wikipedia