Christiaan Hendrik Persoon was a German mycologist who made additions to Linnaeus' mushroom taxonomy.
Zinnia is a genus of plants of the sunflower tribe within the daisy family (Asteraceae). They are native to scrub and dry grassland in an area stretching from the Southwestern United States to South America, with a centre of diversity in Mexico. Members of the genus are notable for their solitary long-stemmed flowers that come in a variety of bright colors. The genus name honors German master botanist Johann Gottfried Zinn (1727–59).
Grindelia (gumweed) is a genus of plants native to the Americas belonging to the sunflower family. The genus was named for Latvian botanist David Hieronymus Grindel, 1776–1836.
Joannesia is a genus of plants in the family Euphorbiaceae, first described as a genus in 1798. The entire genus is endemic to Brazil.
Heliopsis is a genus of herbaceous flowering plants in the sunflower family, native to dry prairies in North and South America. The sunflower-like composite flowerheads are usually yellow, up to 8 cm (3 in) in diameter, and are borne in summer. Species are commonly called ox-eye or oxeye.
Acmella is a genus of plants in the aster family, Asteraceae, described as a genus in 1807. It is native to the Americas and has been introduced to Asia, Africa, the Pacific islands, and Australia.
Jaumea carnosa, known by the common names marsh jaumea, fleshy jaumea, or simply jaumea, is a halophytic salt marsh plant native to the wetlands, coastal sea cliffs and salt marshes of the western coast of North America.
Exostema is a genus of flowering plants in the family Rubiaceae. It consists of trees and shrubs, endemic to the neotropics, with most of the species occurring in the West Indies.
Berlandiera is a genus of flowering plants in the aster family, Asteraceae.
Adenophyllum is a small genus of plants in the marigold tribe within the sunflower family. It contains ten species known generally as dogweeds.
Heteropogon is a genus of annual and perennial plants in the grass family known generally as tangleheads, widespread primarily in tropical and subtropical regions.
Hofmeisteria is a genus of Mexican flowering plants in the sunflower family.
Simsia is a genus of flowering plants in the sunflower tribe within the daisy family. It includes annuals, herbaceous perennials, and shrubs. They range from the western United States south through Central and South America to Argentina, with the center of diversity occurring in Mexico. The genus is named for British physician and botanist John Sims (1749–1831). Although some species are relatively rare, others have become common weeds that line the roadsides and fields of Mexico, often forming dense stands mixed with Tithonia and other Asteraceae. Some species are known by the common name bushsunflower.
Chrysanthellum is a genus of flowering plants in the aster family.
Persoonia levis, commonly known as the broad-leaved geebung, is a shrub native to New South Wales and Victoria in eastern Australia. It reaches 5 m (16 ft) in height and has dark grey papery bark and bright green asymmetrical sickle-shaped leaves up to 14 cm (5.5 in) long and 8 cm (3.2 in) wide. The small yellow flowers appear in summer and autumn, followed by small green fleshy fruit, which are classified as drupes. Within the genus Persoonia, it is a member of the Lanceolata group of 58 closely related species. P. levis interbreeds with several other species where they grow together.
Persoonia laurina, commonly known as the laurel-leaved or laurel geebung, is a shrub of the family Proteaceae native to central New South Wales in eastern Australia. Found in sclerophyll forest, it grows to a height of 2 metres. The yellow flowers appear in late spring.
Baccharis salicina is a species of North American plants in the sunflower family. Common names include willow baccharis, and Great Plains false willow.
Acmella repens is a North American species of flowering plants in the sunflower family. The plant is native to the southeastern and south-central United States, primarily in the coastal plain from Texas to North Carolina and in the lower Mississippi Valley from Missouri to Louisiana. There are additional populations in Coahuila in northeastern Mexico.
Baccharis glomeruliflora is a North American species of shrubs in the aster family known by the common name silverling. It is native to the coastal plain of the southeastern United States, from Mississippi to North Carolina.
Gnaphalium polycaulon, the many stem cudweed, is a plant species in the family Asteraceae. It is widespread across much of Mesoamerica, South America, and the West Indies, and naturalized in parts of Asia and Africa.
