Adelbert von Chamisso

Eschscholzia californica, the California poppy, golden poppy, Mexican poppy, California sunlight or cup of gold, is a species of flowering plant in the family Papaveraceae, native to the United States and Mexico. It is cultivated as an ornamental plant flowering in summer (spring in southern Australia), with showy flowers in brilliant shades of red, orange and yellow (occasionally pink and white). It is also used as food or a garnish. It had various uses in indigenous herbalism. It became the official state flower of California in 1903.

Betula ermanii, or Erman's birch, is a species of birch tree belonging to the family Betulaceae. It is an extremely variable species and can be found in Northeast China, Korea, Japan, and Russian Far East (Kuril Islands, Sakhalin, Kamchatka). It can grow to 20 metres (66 ft) tall. It is noted for its peeling bark, which can sometimes be removed in sheets, but usually shreds and hangs from the trunk and under branches. Yellow-brown male catkins appear with the leaves in spring. Erman's birch is widely cultivated outside its natural range. The cultivar 'Grayswood Hill' has gained the Royal

Abies religiosa, the oyamel fir or sacred fir, (known as oyamel in Spanish) is a fir native to the mountains of central and southern Mexico (Trans-Mexican Volcanic Belt, Sierra Madre del Sur) and western Guatemala. It grows at high elevations of 2,100–4,100 metres (6,900–13,500 ft) in cloud forests with cool, humid summers and dry winters in most of its habitat regime. In the state of Veracruz, it grows with precipitation all year long. The tree is resistant to regular winter snowfalls which occur near the upper altitudinal limit of its growth.

Eschscholzia is a genus of 12 annual or perennial plants in the Papaveraceae (poppy) family. The genus was named after the Baltic German/Imperial Russian botanist Johann Friedrich von Eschscholtz (1793–1831). All species are native to Mexico or the southern United States.

Pinus patula, commonly known as patula pine, spreading-leaved pine, or Mexican weeping pine, and in Spanish as pino patula or pino llorón, (patula Latin = "spreading") is a tree native to the highlands of Mexico. It grows from 24° to 18° North latitude and 1,800–2,700 m (5,900–8,900 ft) above sea level. The tree grows up to 30 m (98 ft) tall. It can only withstand short periods of temperatures as low as −10 °C (14 °F), but resists well occasional dips below 0 °C (32 °F). It is moderately drought-tolerant, and in this respect is superior to Pinus taeda. The average annual rainfall in its

Potamogeton trichoides is a species of aquatic plant known by the common name hairlike pondweed, native to Europe and western Asia where it grows in calcareous, usually nutrient-rich standing or slow-flowing water.

Pinus leiophylla, commonly known as Chihuahua pine, smooth-leaf pine, and yellow pine (in Mexico, tlacocote and ocote chino), is a tree with a range primarily in Mexico, with a small extension into the United States in southeast Arizona and southwest New Mexico. The Mexican range extends along the Sierra Madre Occidental and Sierra Madre del Sur from Chihuahua to Oaxaca, from 29° North Lat. to 17°, between 1600 and 3000 meters altitude. It requires about a rainfall 600 to 1000 mm a year, mostly in summer. It tolerates frosts in winter.

Pinus teocote (teocote) is a species of conifer in the family Pinaceae. It is endemic to Mexico. 20–30 m tall and 75 cm diameter. Straight trunk and dense top. It grows at elevations of 1,500–3,000 m (4,900–9,800 ft). Most of the rainfall in its habitat occurs in summer. The wood is white-yellowish, moderate in quality. The resin is used to produce turpentine.

Rosa californica, the California wildrose, or California rose, is a species of rose native to the U.S. states of California and Oregon and the northern part of Baja California, Mexico. The plant is native to chaparral and woodlands and the Sierra Nevada foothills, and can survive drought, though it grows most abundantly in moist soils near water sources. This thorny, flowering, fruit-bearing shrub is also deciduous, and grows vertically up to six feet tall. The meaning of its name is twofold; Rosa, that it resembles or is composed of roses, and californica, that it originates from California.

Sagittaria montevidensis is a species of flowering plant in the water-plantain family Alismataceae. Common names include giant arrowhead and California arrowhead.

Russelia equisetiformis, the fountainbush, firecracker plant, coral plant, coral fountain, coralblow or fountain plant, is a species of flowering plant in the family Plantaginaceae. This weeping subshrub is native to Mexico and Guatemala. The Latin specific epithet equisetiformis implies the plant has a form "like/similar to Equisetum"—i.e., 'horsetail', 'horsetail rush/fern'—a genus which Russelia is only distantly related to (and which is not a true fern genera).

Spiranthes romanzoffiana, commonly known as hooded lady's tresses (alternatively hooded ladies' tresses) or Irish lady's-tresses (Irish: Cùilìn Gaelach), is a species of orchid. Collected by Chamisso during the Romanzov expedition it was described by him in 1828 and named for Count Nikolay Rumyantsev who financed the expedition. This orchid is native to North America, Ireland and Great Britain.

Quercus polymorpha, the Mexican white oak, Monterrey oak or netleaf white oak, is a North American species of oak. It is widespread in Mexico, Guatemala, and Honduras, and known from a single population in the United States (about 30 kilometres or 19 miles north of the Río Grande in Val Verde County, Texas) but widely planted as an ornamental.

Quercus oleoides, with Spanish common names encina or encino, is a Mesoamerican species of oak in the southern live oaks section of the genus Quercus (section Virentes). It grows in dry forests and pastureland of eastern and southern Mexico and much of Central America, from Guanacaste Province in Costa Rica north as far as the State of Tamaulipas in northeastern Mexico. Quercus oleoides is a slow-growing tree, reaching 8–15 metres (26–49 feet) in height. Its pale gray leaves are evergreen, thick, hard, 4 to 11 centimetres (1+1⁄2 to 4+1⁄4 inches) long, 2 to 5 cm (3⁄4 to 2 in) wide, oblong or

Equisetum myriochaetum, also known as Mexican giant horsetail, is a species of horsetail that is native to Nicaragua, Costa Rica, Colombia, Venezuela, Ecuador, Peru and Mexico. It is the largest horsetail species, commonly reaching 4.6 metres (15 ft), with the largest recorded specimen having a height of 7.3 metres (24 ft). At each node is a whorl of as many as 32 branchlets. It is semi-aquatic and is often found growing on riverbanks. The species is harvested for medicinal use. In Mexico, the species is harvested and sold to treat kidney disease and type 2 diabetes. It has traditionally been

Stereospermum is a genus of trees in the paleotropical clade of the family Bignoniaceae. A species of Stereospermum (S. chelonoides) is used in herbal medicine in Ayurveda and is an integral part of the culture and tradition of the cold desert biosphere reserve.

Corydalis ambigua is a tuberous early flowering east Asian flowering plant species in the poppy family Papaveraceae. Its exact native range is obscure due to taxonomic confusion. It is one of the sources of the drug tetrahydropalmatine.

Campanula lasiocarpa, also known as the mountain harebell or Alaska harebell, is a species of flowering plant. It is native to eastern Russia, Japan, the northwestern portion of North America including the US states of Alaska and Washington, as well as the Canadian provinces of Alberta, British Columbia, the Northwest Territories, and the Yukon.

Annesorhiza is a genus of flowering plant in the Apiaceae, with about 12 to 15 species. It is endemic to southern Africa. Various species of the genus are noted for their content of aroma compounds and have a traditional culinary usage. Some species are notable for their content of allylbenzene derivatives such as nothoapiole.

Matourea is a genus in the family Plantaginaceae. It includes nine species native to tropical South America and Nicaragua. The name Matourea refers to the town of Matoury (French Guiana). It is the correct name for former genus Achetaria that contained ten species.

Schiedea is a genus of flowering plants in the family Caryophyllaceae. It contains 35 species which are endemic to Hawaii. The 35th species was spotted in 2016 by Tom DeMent while surveying a forest near Laupāhoehoe on Hawai‘i Island. It was named S. haakoaensis in 2022.

Rubus ursinus is a North American species of blackberry or dewberry, known by the common names California blackberry, California dewberry, Douglas berry, Pacific blackberry, Pacific dewberry and trailing blackberry.

Quercus lancifolia is a species of oak found in Central America and Mexico.

Lichtensteinia is a genus of flowering plants belonging to the family Apiaceae. It is also the only genus in the tribe Lichtensteinieae, subfamily Apioideae. It is native to the Cape Provinces and KwaZulu-Natal (within South Africa). The genus name of Lichtensteinia is in honour of Hinrich Lichtenstein (1780–1857), a German physician, explorer, botanist and zoologist. It was first described and published in Linnaea Vol.1 on page 394 in 1826.

Kohautia is a genus of flowering plants in the family Rubiaceae. They are native to tropical areas of Asia, Africa, and Madagascar. Thirty-one species are known. The type species for the genus is Kohautia senegalensis. Kohautia was named by Adelbert von Chamisso and Diederich von Schlechtendal in 1829. This generic name honors Franz Kohaut (d. 1822), a plant collector who worked in West Africa for the botanist Franz Sieber (1789-1844).

Potentilla is a genus containing over 500 species of annual, biennial and perennial herbaceous flowering plants in the rose family, Rosaceae. Potentillas may also be called cinquefoils in English, but they have also been called five fingers and silverweeds. Some species are called tormentils, though this is often used specifically for common tormentil (P. erecta). Others are referred to as barren strawberries, which may also refer to P. sterilis in particular, or to the closely related Waldsteinia fragarioides. Several other cinquefoils formerly included here are now separated in distinct

Heteromorpha is a genus of plants within the family Apiaceae. Its species are native to southern and tropical Africa and the southwestern Arabian Peninsula.

Begonia nelumbiifolia, the lilypad begonia, is a species of flowering plant in the family Begoniaceae.

Wimmeria is a genus of shrubs to small trees in the family Celastraceae. It includes 17 species native to Mexico and Central America. It is named after German botanist Christian Friedrich Heinrich Wimmer (1803–1868).

Sambucus australis is a species of tree in the family Adoxaceae. It is native to South America.