Sagittaria is a genus of about 30 species of aquatic plants whose members go by a variety of common names, including arrowhead, Katniss, duck potato, swamp potato, tule potato, and wapato. Most are native to South, Central, and North America, but there are also some from Europe, Africa, and Asia.
Sagittaria montevidensis is a species of flowering plant in the water-plantain family Alismataceae. Common names include giant arrowhead and California arrowhead.
Sagittaria lancifolia, the bulltongue arrowhead, is a perennial, monocot plant in the family Alismataceae, genus Sagittaria, with herbaceous growth patterns. It is native to the southeastern United States. It is known from every coastal state from Delaware to Texas. The species is also considered native to Mexico, Central America, the West Indies and northern South America. It has become naturalized on the Island of Java in Indonesia.
Sagittaria cuneata is a North American species of flowering plant in the water plantain family known by the common name arumleaf arrowhead or duck potato. Like some other Sagittaria species, it may be called wapato.
Sagittaria longiloba is a species of flowering plant in the water plantain family known by the common name longbarb arrowhead and Gregg arrowhead. It is native to the south-central and southwestern United States plus Mexico, Venezuela and Nicaragua. It is also reportedly naturalized in the western Himalayas of India and Bhutan. It grows in slow-moving, stagnant, and ephemeral water bodies such as ponds and small streams, and sometimes disturbed and cultivated habitat such as rice fields and irrigation ditches.
Jasminum mesnyi, the primrose jasmine or Japanese jasmine, is a species of flowering plant in the family Oleaceae, native to Vietnam and southern China. It is also reportedly naturalized in Mexico, Honduras and parts of the southern United States.
Sagittaria australis, the Appalachian arrowhead or longbeak arrowhead, is a plant found in North America. It is a perennial herb up to 130 centimetres tall. It is an unusual Sagittaria species in that it has a 5-winged petiole. The flowers are up to 3 cm (1 in) in diameter, white, producing an achene with a recurved beak.
Najas gracillima, the slender waternymph, is a submerged species of aquatic plant in the Hydrocharitaceae family. found in lakes and streams. It is native to China, Russian Far East, Japan, Korea, Taiwan, Iran, Alberta, Ontario, Newfoundland, Nova Scotia, New Brunswick, the eastern United States. It is also considered introduced and naturalized in France, Spain, Italy and California.
Sagittaria papillosa, the nipplebract arrowhead, is a plant species native to the south-central United States.
Sagittaria isoetiformis, common name quillwort arrowhead, is an aquatic plant species native to Cuba and to the southeastern United States.
Sagittaria kurziana, common names springtape and strap-leaf sagittaria, is an aquatic plant species native to Florida and naturalized in the Mariana Islands. It grows along large springs, very often those with high sulfur content, and along the banks of watercourses downstream from such springs.
Sagittaria cristata, the crested arrowhead, is a perennial herb growing up to 75 centimetres tall. The leaves are flat, long and narrow, not lobed, and up to 40 cm (16 in) long. The flowers are white.
Sagittaria teres, the quill-leaved arrowhead or slender arrowhead, is an aquatic plant species in the genus Sagittaria native to the northeastern United States: Rhode Island, Massachusetts, New Hampshire, New York and New Jersey.
Sagittaria ambigua, the Kansas arrowhead, is an aquatic plant species native to North America. It is a perennial herb growing up to 90 centimetres tall. The leaves are broadly lanceolate, the blade up to 20 cm (8 in) long and 12 cm wide.
Sagittaria brevirostra, common name Midwestern arrowhead or shortbeak arrowhead, is an aquatic plant species native to North America. It is a perennial herb growing up to 70 centimetres tall, with arrow-shaped leaves and white flowers.
Sagittaria filiformis, the threadleaf arrowhead, is a perennial aquatic plant growing up to 170 centimetres tall. Some leaves are thread-like, entirely underwater, but others are narrowly ovate or lanceolate and floating on the surface.
Sagittaria engelmanniana is a perennial aquatic plant growing up to 70 centimetres tall. The leaves are sagittate (arrow-shaped) with 3 very narrow lobes.
Sagittaria graminea, the grassy arrowhead or grass-leaved arrowhead, is an aquatic plant species native to eastern North America.
Sagittaria subulata, the awl-leaf arrowhead, narrow-leaved arrowhead or dwarf sagittaria, is an aquatic plant species that grows primarily in shallow brackish water along the seacoast, in marshes, estuaries, etc. It is native to the Colombia, Venezuela, and every US state along the coast from Massachusetts to Louisiana. It has also been reported as naturalized in Great Britain on just three occasions; only one of these is recent and it appears to have become extinct by 2010. It is also recorded as a non-native on the Azores, and on the Island of Java in Indonesia.
Lactuca ludoviciana, the biannual lettuce, is a North American species of wild lettuce. It is widespread across much of central and western Canada and the western and central United States from Ontario west to British Columbia and south to Louisiana, Texas, and California. Most of the known populations are on the Great Plains; populations west of there may well represent naturalizations.
