| Sagittaria teres|
Sagittaria graminea var. teres (S.Watson) Bogin
Sagittaria teres, the quill-leaved arrowhead or slender arrowhead, is an aquatic plant species of arrowhead native to the northeastern United States: Rhode Island (Providence and Washington Counties), Massachusetts, New Hampshire (Hillsborough County), New York (Suffolk County) and New Jersey.
Sagittaria teres grows along the shores of lakes, marshes, and other wetlands, frequently those with acidic water such as Sphagnum bogs.
Sagittaria teres is a perennial herb up to 80 cm (32 inches) tall. Leaves can grow both under the water and above it. Flowers are white, up to 1.5 cm (0.6 inches) in diameter, borne in one or more whorls on a stalk rising above the leaves.
- The Plant List, Sagittaria teres S.Watson
- Go Botany, New England Wildflower society, Sagittaria teres S. Wats., quill-leaved arrowhead photos, description, info on ecology + conservation
- "Sagittaria teres". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 26 October 2015.
- Biota of North America Program 2014 county distribution map
- Flora of North America, Quill-leaved sagittaria, Sagittaria teres
- Biota of North America Program Sagittaria teres
- Kew World Checklist of Selected Plant Families Sagittaria teres
- Gray, Asa. 1890. Manual of the Botany of the Northern United States (ed. 6) 555, Sagittaria teres
- Adrienne L. Edwards & Rebecca R. Sharitz. 2000. Population genetics of two rare perennials in isolated wetlands: Sagittaria isoetiformis and S. teres (Alismataceae). American Journal of Botany August 2000 vol. 87 no. 8 1147-1158 includes genetic and ecological information on both species, plus distribution map