Plants named in 1813

Citrus hystrix, called the kaffir lime, Thai lime or makrut lime, (US: , UK: ) is a citrus fruit native to tropical Southeast Asia. Its fruit and leaves are used in Southeast Asian cuisine, and its essential oil is used in perfumery. Its rind and crushed leaves emit an intense citrus fragrance.

Gymnadenia is a genus of flowering plants in the orchid family (Orchidaceae) containing 22 terrestrial species. The former genus Nigritella is now included in Gymnadenia. They can be found in damp meadows, fens and marshes, and on chalk or limestone, often in alpine regions of Europe and Asia from Portugal to Kamchatka, including China, Japan, Mongolia, Siberia, the Himalayas, Iran, Ukraine, Germany, Scandinavia, Great Britain, etc. The fragrant orchid (Gymnadenia conopsea) has been introduced into the USA and is reportedly naturalized in Connecticut. These hardy terrestrial orchids are

Gymnadenia conopsea, commonly known as the fragrant orchid or chalk fragrant orchid, is a herbaceous plant of the family Orchidaceae native to northern Europe.

Balanites aegyptiaca (also known as the Desert date, Egyptian balsam and Lalob in Sudan) is a species of tree, classified as a member of either the Zygophyllaceae or the Balanitaceae. This tree is native to much of Africa (excluding South Africa, Namibia, Madagascar, Senegal and Tunisia) and parts of the Middle East (from Syria south to Yemen). It can be found in many kinds of habitat, tolerating a wide variety of soil types, from sand to heavy clay, and climatic moisture levels, from arid to subhumid. It is relatively tolerant of flooding, livestock activity, and wildfire. It is an important

Goodyera, commonly called rattlesnake plantain, jade orchids or ladies' tresses is a wide-ranging genus of orchids in the tribe Cranichideae. About 100 species of Goodyera have been formally described. With a center of diversity in East Asia, Goodyera is found across Europe, Madeira, North and Central America, Australia, and on islands from the west Indian Ocean to the Pacific Ocean. They have a rosette of leaves at their base and usually many small white resupinate flowers. They are similar to orchids in the genus Spiranthes but can be distinguished from them by the shape and colour patterns

Herminium monorchis, the musk orchid, is a commonly occurring species of orchid. It is widespread across much of Europe and northern Asia from France to Japan, including China, Siberia, Mongolia, Ukraine, Germany, Italy, Scandinavia, etc. It has a localised distribution in Britain; sites where it is found include Ham Hill in Wiltshire and Noar Hill in Hampshire.

Goodyera repens, a small forest orchid in the genus Goodyera. It is known by the common name creeping lady's-tresses in Anglophone Europe and dwarf rattlesnake plantain or lesser rattlesnake plantain in North America.

Ribes sanguineum, the flowering currant, redflower currant, red-flowering currant, or red currant is a North American species of flowering plant in the family Grossulariaceae. It is native to the western United States and Canada.

Posidonia oceanica, commonly known as Neptune grass or Mediterranean tapeweed, is a seagrass species that is endemic to the Mediterranean Sea. It forms large underwater meadows that are an important part of the ecosystem. The fruit is free floating and known in Italy as "the olive of the sea" (l'oliva di mare). Balls of fibrous material from its foliage, known as egagropili or Neptune balls, wash up to nearby shorelines. Posidonia has a very high carbon absorption capacity, being able to soak up 15 times more carbon dioxide every year than a similarly sized area of the Amazon rainforest.

Acacia melanoxylon, commonly known as the Australian blackwood, is an Acacia species native to south-eastern Australia and an invasive species in other regions of the globe. The species is also known as blackwood, hickory, mudgerabah, Tasmanian blackwood, or blackwood acacia. The tree belongs to the Plurinerves section of Acacia and is one of the most wide-ranging tree species in eastern Australia and is quite variable mostly in the size and shape of the phyllodes.

Ribes aureum, known by the common names golden currant, clove currant, pruterberry and buffalo currant, is a species of flowering plant in the genus Ribes native to North America.

Desmodium is a genus of plants in the legume family Fabaceae, sometimes called tick-trefoil, tick clover, hitch hikers or beggar lice. There are dozens of species and the delimitation of the genus has shifted much over time. Species are distributed widely – from Quebec to northern Argentina in the Americas, across northern and southern tropical Africa, in the southern Arabian Peninsula, in Myanmar and Thailand, New Guinea, and northern and eastern Australia.

Brassia is a genus of orchids classified in the subtribe Oncidiinae. It is native to Mexico, Central America, the West Indies, and northern South America, with one species (B. caudata) extending into Florida. The genus was named after William Brass, a British botanist and illustrator, who collected plants in Africa under the supervision of Sir Joseph Banks. Its abbreviation in the horticultural trade is Brs.

Brassavola is a genus of 21 orchids (family Orchidaceae). They were named in 1813 by the Scottish botanist Robert Brown. The name comes from the Italian nobleman and physician Antonio Musa Brassavola. This genus is abbreviated B. in trade journals. These species are widespread across Mexico, Central America, the West Indies and South America. They are epiphytes, and a few are lithophytes. A single, apical and succulent leaf grows on an elongated pseudobulb. The orchid yields a single white or greenish white flower, or a raceme of a few flowers. The three sepals and two lateral petals are

Alternanthera sessilis is a flowering plant known by several common names, including sissoo spinach, Brazilian spinach, sessile joyweed, dwarf copperleaf. It is cultivated as a vegetable worldwide.

Chimaphila (prince's pine or wintergreen; from Greek: cheima 'winter' and philos 'lover', hence 'winter lover') is a genus of five species of small, evergreen, flowering plants native to temperate regions of the Northern Hemisphere. They are classified in the family Ericaceae, but were formerly placed in the segregate family Pyrolaceae. Species Chimaphila japonica Chimaphila maculata (spotted wintergreen, also called striped wintergreen, striped prince's pine or rheumatism root) Chimaphila menziesii (little prince's pine) Chimaphila monticola Chimaphila umbellata (umbellate wintergreen,

Clarkia is a genus within the flowering plant family Onagraceae. Over 40 species are currently classified in Clarkia; almost all are native to western North America, though one species (Clarkia tenella) is native to South America. Clarkias are typically annual herbs, growing either prostrate or erect to a height of less than 2 metres. Their leaves are small and simple, from 1 to 10 cm in length depending on the species. Their flowers have four sepals and four petals, usually white, pink, or red, and are often spotted or streaked. Their fruit are elongated, cylindrical pods, usually 4-grooved

Broughtonia is a genus of orchids (family Orchidaceae) native to the Bahamas and the Greater Antilles. The genus is abbreviated Bro in trade journals.

Arbutus menziesii, or Pacific madrone (commonly madrone or madrona in the United States and arbutus in Canada), is a species of broadleaf evergreen tree in the family Ericaceae. It has waxy foliage, a contorted growth habit, and flaky bark. It is native to the western coastal areas of North America, from British Columbia to California.

Cyrtopodium, often abbreviated Cyrt in horticulture, is a genus of more than 40 species of epiphytic and terrestrial orchids found from Florida and Mexico through Argentina. Cyrtopodium is the only genus in the monotypic subtribe Cyrtopodiinae. The type species is C. andersonii, originally described in 1812 by A.B. Lambert as Cymbidium andersonii, and in 1813 used by Robert Brown to erect his new genus Cyrtopodium.

Acer macrophyllum, the bigleaf maple or Oregon maple, is a large deciduous tree in the genus Acer. It is native to western North America. In addition to uses by animals, it is of some culinary and woodworking interest.

Acer circinatum, or vine maple, is a species of maple native to northwestern North America. Vine maple typically grows as a low-elevation coastal tree in temperate areas of high precipitation such as the west coast of Oregon and northern California, as well as the temperate rainforests of Washington and British Columbia. Vine maples play an important role in conserving the biodiversity of lowland ecosystems by enriching upper soil layers and providing habitat for other organisms.

Carex hostiana, the tawny sedge, is a species of flowering plant in the genus Carex, native to Europe and northeast Canada, and extinct in Massachusetts. It is a member of the Carex flava species complex.

Pleurothallis is a genus of orchids commonly called bonnet orchids. The genus name is derived from the Greek word pleurothallos, meaning "riblike branches". This refers to the rib-like stems of many species. The genus is often abbreviated as "Pths" in horticultural trade. This was a huge genus, which contained more than 1,200 species - the second largest in the Orchidaceae after Bulbophyllum. In 2004, it decreased by more than half when many species were moved into new genera.

Koeleria glauca, commonly known as blue hair grass, is a grass species of the genus Koeleria. It grows in dunes and other sandy places. It is mainly distributed in eastern Central Europe, with its western outposts in the coastal dunes of Jutland and inland dunes in the Rhine Valley.

Calopogon, grass pink, is a genus of terrestrial orchids (family Orchidaceae). The generic name is from Greek and means "beautiful beard", referring to the cluster of hairs adorning the labellum. The five species are native to the eastern United States, eastern Canada, Cuba and the Bahamas. The genus Calopogon is abbreviated Cpg in trade journals. Calopogon, like many other orchids, is an indicator species for good remnant hydrology. This means that their presence is an indication of high-quality ground and surface water. Most species of Calopogon frequent wet, sunny swales, bogs, and the

Yucca glauca (syn. Yucca angustifolia) is a species of perennial evergreen plant, adapted to xeric (dry) growth conditions. It is also known as small soapweed, soapweed yucca, Spanish bayonet, and Great Plains yucca. Yucca glauca forms colonies of rosettes. Leaves are long and narrow, up to 60 cm long but rarely more than 12 mm across. Inflorescence is up to 100 cm tall, sometimes branched sometimes not. Flowers are pendent (drooping, hanging downward), white to very pale green. Fruit is a dry capsule with shiny black seeds.

Rosa micrantha, the small-flowered sweet briar, is a species of flowering plant in the family Rosaceae. It is native to most of Europe, the Atlas Mountains of Africa, the Caucasus region, Turkey, Lebanon, and Syria, and it has been introduced to eastern North America, Argentina, and New Zealand. A shrub reaching 3.5 m (11 ft), it is not readily available in commerce.

Carex brunnescens, the brownish sedge or green bog sedge, is a species of plant in the sedge family (Cyperaceae). It has a circumboreal distribution, and is native to North America and Eurasia. In the United States it is primarily found in the Northeast and Midwest extending south into the Appalachian Mountains, with disjunct populations westward in the Rocky Mountains. It has a wide-ranging natural habitat, is in found in forests, bogs, fens, and rock outcrops. Carex brunnescens is morphologically variable across its wide range. It has a different morphology when growing in shade vs.

Rosa sherardii (syn. Rosa omissa), the northern downy rose or Sherard's downy-rose, is a species of flowering plant in the family Rosaceae. A shrub reaching 2 m (7 ft), it is native to cooler parts of Europe, and has been introduced to the US state of Vermont. In the garden it prefers a sheltered location in full sun with moist but well-drained soil. More compact than Rosa tomentosa, its grey-leaved form in particular is considered under-represented in cultivation.