Paspalum setaceum is a species of grass known by several common names, including thin paspalum. It is native to the Americas, where it can be found in the eastern and central United States, Ontario in Canada,Paspalum setaceum. Grass Manual Treatment. Mexico, Central America, and the Caribbean. It can be found in other areas of the world as an introduced, and often invasive, species, including many Pacific Islands.Paspalum setaceum. Pacific Island Ecosystems at Risk. It is a weed of lawns and turf.Paspalum setaceum. NC State University TurfFiles.

Paspalum setaceum can be found in habitat types such as savannas, sandhills, and grasslands. It has displayed preference for dry soils.Weakley, A.S. 2020. Flora of the Southeastern United States. Edition of 20 October 2020. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.

This grass is a perennial with erect or prostrate stems that can exceed in length. The flat leaf blades range from hairless to slightly hairy, and vary in color. The panicle has up to 6 branches, which grow up to long and are lined with small oval to rounded spikelets. There are several varieties of this species which can be distinguished in part by color. Some authors do not recognize varieties.Paspalum setaceum. USDA NRCS Plant Fact Sheet.

Varieties include: Paspalum setaceum var. ciliatifolium (fringe-leaf paspalum) - dark green or purplish leaf blades. Widespread. Grows as a weed in the Pacific Islands. Paspalum setaceum var. longepedunculatum (barestem paspalum) - yellow-green leaf blades Paspalum setaceum var. muhlenbergii (hurrahgrass) - North America Paspalum setaceum var. psammophilum (sand paspalum, beadgrass, slender beadgrass, tufted beard-grassPaspalum setaceum. USDA Plants Profile.) - hairy leaf blades. East Coast of the United States. Paspalum setaceum var. setaceum (thin paspalum) - hairy gray-green leaf blades Paspalum setaceum var. stramineum (yellow sand paspalum) - yellow-green to dark green leaf blades Paspalum setaceum var. villosissimum (hairy paspalum) - gray-green leaf blades

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