Looks like quackgrass to me.

http://uwadmnweb.uwyo.edu/RenewableR...uackGrassC.gif

http://uwadmnweb.uwyo.edu/RenewableR...ious_weeds.htm

yep, I thought so too...

Quack Grass usually stays healthier then the regular lawn grasses. You dont
usually want the Quack and crab grasses cause they dont look like the other grass
in the yard and take over the whole yard. Kill it as soon as possible... !!!!