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Quackgrass - Elymus repens
Family: Poaceae

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TPIUC

Description

Creeping quackgrass is a cool-season perennial with extensive creeping rhizomes. The culms are 5-11 dm, hollow, erect to decumbent. The flat leaves are conspicuously auriculate and often hairy on the upper surface. Leaf sheaths are glabrous to hairy. The inflorescence is a slender spike 4 - 26 cm long made up of numerous 3-5 flowered spikelets. Some plants may have awned lemnas, 5-7 mm.

Interesting facts

Quackgrass propagates mainly by rhizomes which can grow 2 feet or more from the main shoot before sending out new stems. It invades gardens, yards, crop fields, ditch banks and other relatively moist places. It can tolerate some saline conditions.

Quackgrass can become an early successional dominant species in disturbed areas. Once established it is difficult to eradicate due to its perennation by rhizomes.


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Links to more information

  • US Army Corp Noxious Plant Database
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