Rhaponticum repens, synonym Acroptilon repens, with the common name Russian knapweed, is a bushy rhizomatous perennial, up to 80 cm tall. Stems and leaves are finely arachnoid-tomentose becoming glabrous and green with age. The rosette leaves are oblanceolate, pinnately lobed to entire, 2–3 cm wide by 3–8 cm long. The lower cauline leaves are smaller, pinnately lobed; the upper leaves become much reduced, sessile, serrate to entire. The heads are numerous terminating the branches. Flowers are pink to purplish, the marginal ones not enlarged. The outer and middle involucral bracts are broad, striate, smooth with broadly rounded tips; the inner bracts are narrower with hairy tips. Pappus present with bristles 6–11 mm long. Fruit is a whitish, slightly ridged achene.
Scorzonera is a genus of flowering plants in the tribe Cichorieae within the family Asteraceae.
Inula is a genus of about 80 species of flowering plants in the family Asteraceae, native to Europe, Asia and Africa.
Leontodon is a genus of plants in the tribe Cichorieae within the family Asteraceae, commonly known as hawkbits.
Diodia is a genus of flowering plants in the family Rubiaceae. It was described by Carl Linnaeus in 1753. The genus is found from southern and eastern United States, South America, Central America, Mexico, the West Indies and tropical Africa.
Mikania is a genus of about 450 species of plants in the tribe Eupatorieae within the family Asteraceae.
Crepis, commonly known in some parts of the world as hawksbeard or hawk's-beard, is a genus of annual and perennial flowering plants of the family Asteraceae superficially resembling the dandelion, the most conspicuous difference being that Crepis usually has branching scapes with multiple heads. The genus name Crepis derives from the Greek krepis, meaning "slipper" or "sandal", possibly in reference to the shape of the fruit.
Eremanthus Less is a genus of plants belonging to the family Asteraceae. All plants are native of the Cerrado region in Brazil.
Lopholaena is a genus of perennial shrubs and herbaceous plants in the family Asteraceae. About 20 species occur from tropical to southern Africa.
Pluchea is a genus of flowering plants in the tribe Inuleae within the family Asteraceae. Members of this genus might be known as camphorweeds, plucheas, or less uniquely fleabanes. Some, such as P. carolinensis and P. odorata, are called sourbushes. There are plants of many forms, from annual and perennial herbs to shrubs and trees, and there is variation in the morphology of leaves, flowers, and fruits.
Engleria is a genus of African flowering plants in the family Asteraceae.
Erlangea is a genus of African flowering plants in the daisy family.
Hirpicium is a genus of African flowering plants in the daisy family.
Sphagneticola is a genus of flowering plants in the family Asteraceae. Creeping-oxeye is a common name for plants in this genus.
Melanthera, is a genus of perennial flowering plants in the family Asteraceae, native to North and South America, as well as Africa, Asia and Oceania, including Hawaiʻi.
Carpesium is a genus of flowering plants in the aster family, Asteraceae. They are distributed in Europe and Asia; most occur in China and several are endemic to the country.
Elephantopus scaber is a tropical species of flowering plant in the family Asteraceae. It is native to tropical Africa, Eastern Asia, Indian Subcontinent, Southeast Asia, and northern Australia. It has become naturalized in tropical Africa and Latin America. Its natural habitat is subtropical or tropical moist montane forests.
Psednotrichia is a genus of Angolan flowering plants in the groundsel tribe within the sunflower family.
Elephantopus mollis, common names tobacco weed, and soft elephantsfoot, is a tropical species of flowering plant in the family Asteraceae.
Elephantopus carolinianus, with the common names Carolina elephantsfoot or leafy elephant's foot, is a species of flowering plant in the Asteraceae family. It is native to the south-central and southeastern United States.
