Cenchrus echinatus is a species of grass known by the common names southern sandbur, spiny sandbur, southern sandspur, and in Australia, Mossman River grass. It is native to North and South America.
It is a clump-forming annual grass growing up to 80 cm tall. The leaves occur with or without hairs and measure up to 12 mm wide. The ligule is a fringe of hairs. The grass has barbed burrs up 4–10 mm long.
In Australia it forms an invasive weed in coastal situations.
- "Cenchrus echinatus". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 13 January 2016.
- "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.
- "University of Florida IFAS Extension Southern Sandspur (Southern Sandbur), Cenchrus echinatus L.". Retrieved 2008-06-15.
- Cenchrus echinatus. Archived September 18, 2009, at the Wayback Machine. National Weeds Strategy.
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