Silphium is a genus of North American plants in the tribe Heliantheae within the family Asteraceae.
Gelsemium sempervirens is a twining vine in the family Gelsemiaceae, native to subtropical and tropical America: Honduras, Guatemala, Belize, Mexico, and southeastern and south-central United States. It has a number of common names including yellow jessamine or jasmine, Carolina jasmine or jessamine, evening trumpetflower, gelsemium and woodbine.
Harperella is a monotypic genus of flowering plants in the family Apiaceae. Its only species is Harperella nodosa, known as piedmont mock bishopweed and harperella. It is native to riparian environments in the Southeastern United States, found at sites in West Virginia, Maryland, several Southeastern states such as Alabama and North Carolina, and the Ouachita National Forest in Arkansas and Oklahoma. As Ptilimnium nodosum, it was placed on the United States' Endangered Species List in 1988.
Stillingia is a plant genus of the family Euphorbiaceae, first described for modern science as a genus in 1767. The genus is native to Latin America, the southern United States, and various islands in the Pacific and Indian Oceans. Toothleaf is a common name for plants in this genus.
Peltandra, the arrow arums, is a genus of plants in the family Araceae. It is native to the eastern United States, eastern Canada, and Cuba.
- Peltandra sagittifolia - (Michx.) Morong - Spoon flower or the white arrow arum - southeastern US from eastern Louisiana to Virginia
- Peltandra virginica(L.) Schott - Arum arrow - Cuba, Quebec, Ontario, Oregon, California, Washington; eastern US from Maine to Florida, west to Texas, Kansas, and Minnesota
- †Peltandra primaeva – Eocene, Golden Valley Formation, North Dakota, USA
Triadenum, known as marsh St. John's worts, is a small genus of flowering plants in the family Hypericaceae. The genus is characterized by opposite, blunt-tipped leaves and pink flowers with 9 stamens. They are distributed in North America and eastern Asia.
Lomatium is a genus in the family Apiaceae. It consists of about 100 species native to western Northern America and northern Mexico. Its common names include biscuitroot, Indian parsley, and desert parsley. It is in the family Apiaceae and therefore related to many familiar edible species such as carrots and celery; some Lomatium species are extensively used by Native Americans in the inland Northwest as a staple food.
Lysimachia borealis, the starflower, is a North American woodland perennial that blooms between May and June.
Astereae is a tribe of plants in the family Asteraceae that includes annuals, biennials, perennials, subshrubs, shrubs, and trees. They are found primarily in temperate regions of the world. Plants within the tribe are present nearly worldwide divided into over 250 genera and more than 3,100 species, making it the second-largest tribe in the family behind Senecioneae.
Gentianopsis crinita is a biennial herbaceous species, native to eastern USA and eastern Canada. The flowers of fringed gentian open on sunny days, but generally remain closed on cloudy days. Individual plants live for only one or two years; the plant is noted as having become relatively rare. It grows in moist, limey woods, meadows, and stream banks.
Trillium cuneatum, the little sweet betsy, also known as whip-poor-will flower, large toadshade, purple toadshade, and bloody butcher, is a species of flowering plant in the family Melanthiaceae. It is native to the southeastern United States but is especially common in a region that extends from southern Kentucky through central Tennessee to northern Alabama. In its native habitat, this perennial plant flowers from early March to late April. It is the largest of the eastern sessile-flowered trilliums.
Vaccinium crassifolium, the creeping blueberry, is a species of Vaccinium in the heath family. It is native to the four southeastern U.S. states of Virginia, North Carolina, South Carolina, and Georgia. It is an evergreen shrub with shiny dark green to bronze leaves.
Logfia is a genus of herbaceous plants in the tribe Gnaphalieae of the family Asteraceae, known as cottonrose.
Lycoris radiata, known as the red spider lily, red magic lily, corpse flower, or equinox flower, is a plant in the amaryllis family, Amaryllidaceae, subfamily Amaryllidoideae. Originally from China, Korea, and Nepal, it was introduced into Japan and from there to the United States and elsewhere. It is considered naturalized in Seychelles and in the Ryukyu Islands. It flowers in the late summer or autumn, often in response to heavy rainfall. The common name hurricane lily refers to this characteristic, as do other common names, such as resurrection lily; these may be used for the genus as a whole.
Luziola (watergrass) is a genus of New World in the grass family, native to North and South America including the West Indies.
Sedella is a small genus of annual flowering plants in the family Crassulaceae. There are approximately 7 species, all native to California, United States, one with a distribution extending into Oregon. These are petite succulent plants growing a few centimeters tall and bearing tiny yellowish or brownish flowers. Mock stonecrop is a common name for these plants.
Aureolaria levigata, commonly known as entireleaf yellow false foxglove or Appalachian oak-leech, is a species of flowering plant in the family Orobanchaceae. It is native to much of the Appalachian Mountains and surrounding areas in the eastern United States. It is also found in a disjunct population in southwestern Mississippi.
Andersonglossum is a small genus of North American plants in the borage family (Boraginaceae). They are commonly called American comfreys, wild comfreys, or hound's tongues.
Ptilimnium capillaceum, known by the common name of herbwilliam, is a member of the carrot family, Apiaceae. It is a perennial herb, native to the eastern United States, from Texas to Massachusetts.
