Grindelia squarrosa, also known as a curly-top gumweed or curlycup gumweed, is a small North American biennial or short-lived perennial plant.
Iva annua, the annual marsh elder or sumpweed, is a North American herbaceous annual plant in the family Asteraceae that was historically cultivated by Native Americans for its edible seed.
Iva is a genus of wind-pollinated plants in the family Asteraceae, described as a genus by Linnaeus in 1753. Plants of this genus are known generally as marsh elders. The genus is native to North America.
Helianthus grosseserratus, commonly known as sawtooth sunflower or thick-tooth sunflower, is a perennial sunflower in the family Asteraceae, with a large flowering head (inflorescence).
Cyclachaena xanthiifolia, known as giant sumpweed, or rag sumpweed is a North American plant species in the sunflower family, Asteraceae. It is the only species in the genus Cyclachaena. Giant sumpweed is believed to be native to the Great Plains but is now found across much of southern Canada and the contiguous United States, though rarely in the Southeast.
Symphyotrichum georgianum is a rare species of flowering plant in the Asteraceae, the aster family. Its common name is Georgia aster. It is native to the southeastern United States where it is known from Alabama, Florida, Georgia, North Carolina, and South Carolina. As of 2013, it may be extirpated from the state of Florida.
Tetraneuris scaposa is a North American species of plants in the sunflower family. It grows in the southwestern and south-central United States and northern Mexico.
Iva imbricata is a North American species of flowering plant in the family Asteraceae known by the common names dune marsh-elder and seacoast marsh elder. It is native to Cuba, the Bahamas, and coastal areas of the United States from Texas to Virginia. It is a low shrub, found on sand dunes and the upper beach. It is a highly salt tolerant plant, and is often the perennial plant closest to the ocean.
Ambrosia bidentata, the lanceleaf ragweed, is a North American species of plants in the family Asteraceae. It is native to the central and eastern parts of the United States, primarily the Mississippi Valley and the eastern Great Plains.
Bidens beckii, commonly called Beck's water-marigold or simply water marigold is a species of flowering plant in the family Asteraceae. It is native to Canada and the northern United States.
Bidens bigelovii is a North American species of flowering plant in the family Asteraceae. It is native to the southwestern and south-central United States and to Mexico as far south as Oaxaca.
Askellia pygmaea, the dwarf alpine hawksbeard, is a species of Asian and North American plants in the tribe Cichorieae within the family Asteraceae.
Elephantopus carolinianus, common names Carolina elephantsfoot or leafy elephant's foot, is a species of flowering plant in the sunflower family. It is native to the United States from Florida north as far as Ohio, Illinois, and Pennsylvania, west to Texas, Oklahoma, and Kansas.
Solidago lancifolia, known as lance-leaf goldenrod, is a rare North American plant in the family Asteraceae. It is found only in the Appalachian Mountains of Virginia, Tennessee, and North Carolina.
Grindelia adenodonta, the Lonestar gumweed, is a species of flowering plants in the family Asteraceae.
Grindelia grandiflora, the manyray gumweed, is a North American species of flowering plants in the family Asteraceae. It is native to the south-central United States and north-central Mexico, in the states of Texas and Coahuila.
Grindelia microcephala, the littlehead gumweed, is a North American species of flowering plants in the family Asteraceae. It is native to the south-central United States, having been found only in the state of Texas.
Helianthella microcephala, common name purpledisk helianthella, is a North American plant species in the family Asteraceae. It grows in the southwestern United States, in the states of Arizona, New Mexico, Colorado, and Utah.
Hypochaeris microcephala, the smallhead cat's ear, is a species of plants in the tribe Cichorieae within the family Asteraceae. It is native to South America and naturalized in parts of North America.
Iva asperifolia, the Pensacola marsh elder, is a species of flowering plant in the family Asteraceae. It grows in the south-central United States. It has also been found in the state of Veracruz in eastern Mexico.
