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Spartina pectinata is a species of cordgrass known by the common names prairie cordgrass, freshwater cordgrass, tall marshgrass, and sloughgrass. It is native to much of North America, including central and eastern Canada and most of the contiguous United States except for the southwestern and southeastern regions. Its distribution extends into Mexico. It is also present on other continents as an introduced species.
This grass has hard, sturdy, hollow stems that may reach three meters (9.8 ft) in height. They grow from a network of woody rhizomes and tough roots that form a sod. The roots penetrate over three meters (9.8 ft) into the soil. The leaves have sharp, serrated edges. The panicle may be up to 50 centimeters (20 in) long and may have many branches. Each spikelet is up to 2.5 centimeters (0.98 in) in length. This grass can spread via its rhizome, producing large monotypic stands.
This plant can grow in a variety of habitat types, but it is a facultative wetland species, most often found in wet habitats. These include fens, wet prairies, rivers, floodplains, ponds, moraines, and marshes. The grass is tolerant of water, but it does not tolerate prolonged flooding. Its dense root network stabilizes soil, even in areas where it would be eroded by flowing water.
- "Plant Name Details for Spartina pectinata". International Plant Names Index (IPNI). International Organization for Plant Information (IOPI).
- "Spartina pectinata". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 24 November 2015.
- Walkup, C. J. (1991). "Spartina pectinata". Fire Effects Information System (FEIS). US Department of Agriculture (USDA), Forest Service (USFS), Rocky Mountain Research Station, Fire Sciences Laboratory – via https://www.feis-crs.org/feis/.
- Spartina pectinata. Grass Manual Treatment.
- Spartina pectinata. Washington Burke Museum.
- Spartina pectinata. USDA NRCS Plant Fact Sheet.
- Goudarzi, S. Prairie Cordgrass for Ethanol Production. AIP Journal of Renewable and Sustainable Energy 21 November 2011.
- "Spartina pectinata". Natural Resources Conservation Service PLANTS Database. USDA.
- Spartina pectinata in the CalPhotos Photo Database, University of California, Berkeley
- Spartina pectinata Photos, drawings, description from Nature Manitoba
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