- The plant stands to 1.5 ft. (0.5 m) tall with oval to lance-shaped leaves.
- Leaves are 1-3 in. (2.5-7.6 cm) long, 0.2 in. (0.5 cm) wide and have heart shaped bases. The margins of the leaves have conspicuous hairs.
- Flowers bloom in early fall and are contained in 1 to several, 1-3 in. (2.5-7.6 cm) long spikes.
- Fruit is a caryopsis.
- Ecological Threat
- Arthraxon hispidus is an annual grass that was introduced into the United States, either accidentally or by immigrants, from Japan and eastern Asia. Arthraxon hispidus inhabits wet areas such as stream banks, flood plains and shorelines.
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EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org
State Invasive List - This map identifies those states that list this species on their invasive species list. For more information, visit Invasive.org
Invasive Listing Sources
- Connecticut Invasive Plant List
- Connecticut Invasive Plant Working Group
- Faith Campbell, 1998
- Georgia Exotic Pest Plant Council - Category 1 Alert
- Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007
- Jil Swearingen, personal communication, 2009-2016
- Kentucky Exotic Pest Plant Council - Significant Threat
- Maryland Department of Natural Resources, 1994
- Massachusetts Noxious Weeds
- Mid-Atlantic Exotic Pest Plant Council, 2005
- Nonnative Invasive Species in Southern Forest and Grassland Ecosystems
- Pennypack Ecological Restoration Trust, Pennsylvania.
- Tennessee Exotic Pest Plant Council
- WeedUS - Database of Plants Invading Natural Areas in the United States
Other System LinksPlants: ARHI3
NPDN Pest: PCADZBA
NPDN Host: 36785
CategoriesCategory: Grass or Grasslike
|Common Name Reference:|| USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.|
|Scientific Name Reference:||USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.|