Microstegium vimineum (weed)

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Microstegium vimineum infestation (click on image to enlarge it)
Author(s): Leslie J. Mehrhoff, University of Connecticut
Source: IPM Images

Microstegium vimineum (weed) (Trinius) A. Camus - (Japanese stiltgrass)

The weed is a shade-tolerant, invasive annual grass native to Asia. It has been introduced into eastern North America in the 1910s and has also spread to parts of Central America and Europe. In many areas it has become a serious environmental weed in forests where it forms dense mats, replacing native species and competing with tree seedlings.

The plants can grow to a height of more than 1 m. Burning is not effective for management and the grass is not grazed by domestic animals. Hand pulling and herbicide applications are considered to be the most effective control methods.

Vernacular names
• English: Japanese stiltgrass
Nepal microstegium
Mary's grass

For reviews see the EPPO Bulletin (2016) and the BugwoodWiki.