| Japanese stiltgrass | USDA PLANTS Symbol: MIVI U.S. Nativity: Exotic Habit: Grass or Grasslike |
| Microstegium vimineum (Trin.) A. Camus |
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Taxonomic Rank: Liliopsida: Cyperales: Poaceae |
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| Synonym(s): Japanese stiltgrass, Japanese grass, Mary's grass, Nepalgrass, basketgrass, microstegium | |
| Native Range: Asia; temp. & trop. Asia (GRIN); | |
Nepalese browntop is a delicate, sprawling, annual grass that is ½ to 3 ½ ft. (0.2-1.1 m) in height. The leaves are pale-green, alternate, lance-shaped, 1-3 in. (2.5-7.6 cm) long, asymmetrical with a shiny, off-center midrib. Stems usually droop. Flowering occurs in late-summer, when delicate flower stalks develop in the axils of the leaves or at the apex of the stems. Most commonly an invader of forested floodplains, Nepalese browntop is also found in ditches, forest edges, fields, and trails. It is very shade tolerant and can displace vegetation native to floodplains. Nepalese browntop is native to Asia and was accidentally introduced into North America sometime around 1920. It has previously been used as packing material for porcelain, possibly explaining its accidental introduction. |
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Identification, Biology, Control and Management Resources
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| Selected Images from Invasive.org | View All Images at Invasive.org |
 Plant(s); immature plant in June James H. Miller & Ted Bodner, Southern Weed Science Society, Bugwood.org Additional Resolutions & Image Usage |
 Foliage; Close-up of foliage David J. Moorhead, University of Georgia, Bugwood.org Additional Resolutions & Image Usage |
 Foliage; Chuck Bargeron, University of Georgia, Bugwood.org Additional Resolutions & Image Usage |
 Root(s); Roots grown in greenhouse Nancy Loewenstein, Auburn University, Bugwood.org Additional Resolutions & Image Usage |
 Flower(s); Leslie J. Mehrhoff, University of Connecticut, Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); Chris Evans, Illinois Wildlife Action Plan, Bugwood.org Additional Resolutions & Image Usage |
 Infestation; Dead along river James H. Miller, USDA Forest Service, Bugwood.org Additional Resolutions & Image Usage |
 Infestation; Infestation along old logging road, mixed with Chinese lespedeza Chuck Bargeron, University of Georgia, Bugwood.org Additional Resolutions & Image Usage |
 Infestation; Along road. Chris Evans, Illinois Wildlife Action Plan, Bugwood.org Additional Resolutions & Image Usage |
 Infestation; Chris Evans, Illinois Wildlife Action Plan, Bugwood.org Additional Resolutions & Image Usage |
 Infestation; Chris Evans, Illinois Wildlife Action Plan, Bugwood.org Additional Resolutions & Image Usage |
 Infestation; Chris Evans, Illinois Wildlife Action Plan, Bugwood.org Additional Resolutions & Image Usage |
 Fruit(s); Steve Hurst, USDA NRCS PLANTS Database, Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. USDA PLANTS Database, USDA NRCS PLANTS Database, Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); Hitchcock, A.S. (rev. A. Chase). 1950. Manual of the grasses of the United States. USDA Misc. Publ. No. 200. Washington, DC. USDA PLANTS Database, USDA NRCS PLANTS Database, Bugwood.org Additional Resolutions & Image Usage |
| EDDMapS Distribution: This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org Alternative content
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 State(s) Where Reported invasive. Based on state level agency and organization lists of invasive plants from WeedUS database. Alternative content
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