Alopecurus saccatus

Alopecurus saccatus is a species of grass known by the common name Pacific foxtail, or Pacific meadow foxtail.
It is native the west coast of the United States from Washington to California, where it grows in moist areas at low elevations.
Description.
"Alopecurus saccatus" is an annual bunchgrass, forming tufts of stout, erect stems up to about 45 centimeters in maximum height. Leaves are up to 12 or 13 centimeters long.
The inflorescence is a dense panicle up to 6 or 7 centimeters long which blooms in yellow to reddish brown anthers.