The Xyridaceae are a family of flowering plants. This family has been recognized by many taxonomists and is known as the yellow-eyed grass family.
Xyris is a genus of flowering plants, the yelloweyed grasses, in the yellow-eyed-grass family. The genus counts over 250 species, widespread over much of the world, with the center of distribution in the Guianas.
Xyris complanata, known as the feathered yellow-eye is a tufted herb in the Xyridaceae family. It is native to southern China, India, Sri Lanka, Thailand, Cambodia, Laos, Vietnam, Malaysia, Indonesia, the Philippines, New Guinea and Australia. It is also naturalized in Hawaii where it is known as Hawai'i yelloweyed grass. In New South Wales it grows in moist areas, often near swamps or in heathland.
Xyris ambigua, the coastal plain yelloweyed grass, is a North American species of flowering plant in the yellow-eyed-grass family. It is native to southern and eastern Mexico, Central America, Cuba, and the southeastern and south-central United States.
Xyris baldwiniana, common name Baldwin's yelloweyed grass, is a North American species of flowering plant in the yellow-eyed-grass family. It is native to southern Mexico (Chiapas), Central America, and the southeastern and south-central United States.
Xyris brevifolia, the shortleaf yelloweyed grass, is a North American species of flowering plant in the yellow-eyed-grass family. It is native to Brazil, the West Indies, and the southeastern United States.
Xyris caroliniana, the Carolina yelloweyed grass, is a North American species of flowering plant in the yellow-eyed-grass family. It is native to Cuba and to the coastal plain of the southern and eastern United States from eastern Texas to New Jersey.
Xyris difformis, the bog yelloweyed grass, is a North American species of flowering plant in the yellow-eyed-grass family. It is native to the eastern and southern United States, eastern and central Canada, and Central America.
Xyris drummondii, common name Drummond's yelloweyed grass, is a North American species of flowering plant in the yellow-eyed-grass family. It is native to the coastal plain of the United States from Georgia to eastern Texas.
Xyris elliottii, common name Elliott's yelloweyed grass, is a North American species of flowering plant in the yellow-eyed-grass family. It is native to the coastal plain of the United States from Mississippi to South Carolina plus southern Mexico (Tabasco), Central America and the West Indies.
Xyris fimbriata, the fringed yelloweyed grass, is a North American species of flowering plant in the yellow-eyed-grass family. It is native to the coastal plain of the United States from eastern Texas to New Jersey.
Xyris flabelliformis, the savannah yelloweyed grass, is a North American species of flowering plant in the yellow-eyed-grass family. It is native to the coastal plain of the United States from eastern Mississippi to the Carolinas.
Xyris jupicai, common name Richard's yelloweyed grass, is a New World species of flowering plants in the yellow-eyed-grass family. It is widespread in North America, South America, Mesoamerica, and the West Indies.
Xyris longisepala, common name Kral's yelloweyed grass, is an uncommon North American species of flowering plants in the yellow-eyed-grass family. It has been found only in a small region in the southeastern United States: southeastern Alabama and the Florida Panhandle.
Xyris montana, the northern yelloweyed grass, is a North American species of flowering plants in the yellow-eyed-grass family. It grows in eastern and central Canada and in the northeastern and north-central United States.
Xyris platylepis, the tall yelloweyed grass, is a North American species of flowering plants in the yellow-eyed-grass family. It grows on the coastal plain of the southeastern and south-central United States from eastern Texas to Virginia.
Xyris smalliana, Small's yelloweyed grass, is a North American species of flowering plants in the yellow-eyed-grass family. It grows on the coastal plain of the eastern and southern United States from Maine to Texas, as well as in Cuba, Central America, and the State of Tabasco in southern Mexico.
Xyris stricta, the pineland yelloweyed grass, is a North American species of flowering plants in the yellow-eyed-grass family. It grows on the coastal plain of the southern United States from the Carolinas to Texas.
Xyris torta, the slender yelloweyed grass, is a North American species of flowering plants in the yellow-eyed-grass family. It is widespread in the central and eastern United States from New Hampshire to Georgia, west as far as Minnesota, Nebraska, and eastern Texas.
Xyris marginata, commonly known as alpine yellow eye, was first collected by German-Australian botanist Ferdinand von Mueller in 1875. Xyris marginata is a monocot in the family Xyridaceae which is endemic to King Island (Tasmania) and Tasmania, commonly growing in button grass moorlands, at altitudes of up to 1070 meters (3,510.5 ft) above sea level.