quackgrass |
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Cyperales > Poaceae > Elymus repens (L.) Gould
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Quackgrass is a perennial, cool-season, rhizomatous grass. The stems are green to whitish, erect to decumbent and can grow to 3 ft (0.9 m) tall. The leaves are 6-15.7 in. (15-40 cm) long and usually have a pair of prominent auricles at the base. Flowering occurs in May to September. The flower spikes are 3.9-11.8 in. (10-30 cm) long and have 3-8 florets per spikelet. Quackgrass is native to Europe and occurs in pastures, gardens, roadsides, and other disturbed open areas. |
Identification, Biology, Control and Management Resources
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Number: | 5307040 |
Description: | Diagram or Graphic; USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. |
Photographer: | USDA PLANTS Database, USDA NRCS PLANTS Database |
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Number: | 5306053 |
Description: | Diagram or Graphic; Hitchcock, A.S. (rev. A. Chase). 1950. Manual of the grasses of the United States. USDA Misc. Publ. No. 200. Washington, DC. |
Photographer: | USDA PLANTS Database, USDA NRCS PLANTS Database |
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Number: | 5306052 |
Description: | Diagram or Graphic; Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 1: 283. |
Photographer: | USDA PLANTS Database, USDA NRCS PLANTS Database |
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External Links
Invasive Reference(s)
Subject Reference(s)
- USDA, NRCS. 2001. The PLANTS Database, Version 3.1, National Plant Data Center, Baton Rouge, LA 70874-4490 USA. -
http://plants.usda.gov/
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