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Quack Grass

Agropyron repens (B.) Beauv.

Quack grass
Figure 91.—Quack grass (Agropyron repens)
Other common names.—Dog grass, couch grass, quitch grass, quake grass, scutch grass, twitch grass, witch grass, wheatgrass, creeping wheatgrass, devil's grass, durfa grass, durfee grass, Dutch grass, Fin's grass, chandler's grass.

Habitat and range.—Like many of our weeds, quack grass was introduced from Europe and is now one of the worst pests with which the farmer has to contend, taking possession of cultivated ground and crowding out valuable crops. It occurs most abundantly from Maine to Maryland, westward to Minnesota and Missouri, and is spreading on farms on the Pacific slope, but is rather sparingly distributed in the South.

Description.—Quack grass is rather coarse, 1 to 3 feet high, and when in flower resembles rye or beardless wheat. Its smooth hollow stems, which are thickened at the joints, are produced from a long, creeping rootstock. The flowering heads are produced from July to September

Part used.—The rootstocks, collected in the spring, are carefully cleaned, cut into small pieces about a fourth of an inch long, and dried.


Sievers, A.F. 1930. The Herb Hunters Guide. Misc. Publ. No. 77. USDA, Washington DC.
Last update Friday, April 3, 1998 by aw