quack grass


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quack grass

or

couch grass,

Old World perennial grassgrass,
any plant of the family Poaceae (formerly Gramineae), an important and widely distributed group of vascular plants, having an extraordinary range of adaptation. Numbering approximately 600 genera and 9,000 species, the grasses form the climax vegetation (see ecology) in
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 (Agropyron repens), now widely distributed and in the United States a troublesome weed. It somewhat resembles a beardless wheat and has creeping, yellowish rootstalks, the joints of which, even though detached, are capable of producing new plants; thus quack grass is a good soil binder but extremely difficult to eradicate. The dried sweetish rootstalks have been used medicinally, and the foliage is useful for forage. Quack grass is classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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, class Liliopsida, order Cyperales, family Poaceae.
References in periodicals archive ?
Quack grass roots break easily as you handle them, so go slowly and take care to remove root fragments as you dig up the grass clumps.
Nowadays my "gardening" consists of pulling out a few rogue plants in the spring, yanking the odd bit of quack grass that's getting hold where I don't want it, and dragging out the lawn mower once every 2 or 3 weeks.
Burn Wheat Plow Mow Species 1998 1999 1998 1999 1998 1999 1998 1999 Blue-joint 0 0 27 2 14 1 40 2 Canada thistle 0 0 2 2 0 3 10 4 Common ragweed 0 0 6 0 0 53 0 0 Lambs-quarters 0 0 0 19 0 56 0 4 Quack grass 4 8 29 15 76 49 63 83 Smooth brome 100 8 44 2 8 3 0 8 Velvet-leaf 0 0 0 0 0 56 0 0 Wild carrot 0 0 33 0 53 3 4 8 Control Species 1998 1999 Blue-joint 18 26 Canada thistle 35 18 Common ragweed 0 0 Lambs-quarters 0 3 Quack grass 60 65 Smooth brome 3 3 Velvet-leaf 0 0 Wild carrot 18 28 Cost ($/ha) of each prairie creation treatment in RLWRA, Clinton County, Michigan, between August 1998 and May 1999.
Perennial grassy weeds like quack grass go dormant through the winter along with your grass only to reemerge in the spring.
Quack grass has been used for medicinal purposes for thousands of years.