Christiaan Hendrik Persoon

Cynodon dactylon, commonly known as Bermuda grass or as couch grass in Australia and New Zealand, is a grass found worldwide. It is native to Europe, Africa, Australia, and much of Asia namely Nepal's hilly regions and has been introduced to the Americas. Contrary to its common name, Cynodon dactylon is not native to Bermuda but is an abundant invasive species there. In Bermuda, it has been known as crabgrass, also a name for Digitaria sanguinalis. Other names include dhoob, dūrvā grass, ethana grass, dubo, dog grass, dog's tooth grass, Bahama grass, devil's grass, couch grass, Indian doab,

Kalanchoe pinnata, commonly known as cathedral bells, air plant, life plant, miracle leaf, and love bush, is a succulent plant native to Madagascar. It is a popular houseplant and has become naturalized in tropical and subtropical areas. The species is distinctive for the profusion of miniature plantlets that form on the margins of its leaves, a trait it has in common with some other members of Bryophyllum (now included in Kalanchoe).

The Rhizophoraceae is a family of tropical or subtropical flowering plants. It includes around 147 species distributed in 15 genera. Under the family, there are three tribes, Rhizophoreae, Gynotrocheae, and Macarisieae. Even though Rhizophoraceae is known for its mangrove members, only the genera under Rhizophoreae grow in the mangrove habitats and the remaining members live in inland forests.

Lodoicea, commonly known as the sea coconut, coco de mer, or double coconut, is a monotypic genus in the palm family. The sole species, Lodoicea maldivica, is endemic to the islands of Praslin and Curieuse in the Seychelles, and was historically found on the neighboring small islets of St Pierre, Chauve-Souris, and Ile Ronde. The species has the largest seed in the plant kingdom.

Johnson grass or Johnsongrass, Sorghum halepense, is a plant in the grass family, Poaceae, native to Asia and northern Africa. The plant has been introduced to all continents except Antarctica, and most larger islands and archipelagos. It reproduces by rhizomes and seeds. Johnson grass has been used for forage and to stop erosion, but it is often considered a weed because: Foliage that becomes wilted from frost or hot, dry weather can contain sufficient amounts of hydrogen cyanide to kill cattle and horses if it is eaten in quantity. The foliage can cause 'bloat' in such herbivores from the

Podocarpus is a genus of conifers, the most numerous and widely distributed of the podocarp family, the Podocarpaceae. Podocarpus species are evergreen shrubs or trees, usually from 1 to 25 m (3 to 82 ft) tall, known to reach 40 m (130 ft) at times. The cones have two to five fused cone scales, which form a fleshy, berry-like, brightly coloured receptacle at maturity. The fleshy cones attract birds, which then eat the cones and disperse the seeds in their droppings. Plants of the World Online accepts 116 species. Other authorities place 97 to 107 species in the genus depending on the

Brugmansia is a genus of seven species of flowering plants in the nightshade family Solanaceae. They are woody trees or shrubs, with pendulous flowers, and have no spines on their fruit. Their large, fragrant flowers give them their common name of angel's trumpets, adjacent to the nickname devil's trumpets of the closely related genus Datura. Brugmansia species are among the most toxic of ornamental plants, containing tropane alkaloids of the type also responsible for the toxicity and deliriant effects of both jimsonweed and the infamous deadly nightshade. All seven species are known only in

Anthriscus (chervils) is a common flowering plant genus of the family Apiaceae, which includes 14 species native to Europe, temperate Asia, northwest Africa, and the tropical African mountains. The genus grows in meadows and verges on slightly wet porous soils. One species, Anthriscus cerefolium is cultivated and used in the kitchen to flavor foods. Anthriscus species are used as food plants by the larvae of some Lepidoptera species including the mouse moth (recorded on cow parsley). The hollow stem is erect and branched, ending in compound umbels of small white or greenish flowers. The

Lagerstroemia speciosa (giant crepe-myrtle, queen's crepe-myrtle, banabá plant, or pride of India, or "queen's flower" or "jarul") is a species of Lagerstroemia native to tropical South Asia, Southeast Asia, and Melanesia. It is a deciduous tree with bright pink to light purple flowers. The name "queen's Flower" is derived from the specific epithet 'reginae' or 'flosreginae', which means "imperial or flower of the queen". The tree bears beautiful attractive flowers in profusion in purple, lilac or pinkish-violet colours, and lasts for many months. Its timber is next only to teak in its

Koeleria is a common and widespread genus of plants in the grass family, found on all continents except Antarctica and on various oceanic islands. It includes species known generally as Junegrasses. The genus was named after German botanist Georg Ludwig Koeler (1765–1807). Species Formerly included hundreds of species once included in Koeleria but now considered better suited to other genera including Aeluropus, Agrostis, Colpodium, Dactylis, Erioneuron, Festuca, Graphephorum, Rostraria, Schismus, Sesleria, Trisetaria and Trisetum.

Erigeron annuus (formerly Aster annuus), the annual fleabane, daisy fleabane, or eastern daisy fleabane, is a species of herbaceous flowering plant, annual or biennial, in the family Asteraceae.

Trisetum is a genus of plants in the grass family, widespread in temperate, subarctic, and alpine habitats in much of the world. Oatgrass is a common name for plants in this genus.

Nelumbo lutea is a species of flowering plant in the family Nelumbonaceae. Common names include American lotus, yellow lotus, water-chinquapin, and volée. It is native to North America. The botanical name Nelumbo lutea Willd. is the currently recognized name for this species, which has been classified under the former names Nelumbium luteum and Nelumbo pentapetala, among others.

Acmella is a genus of plants in the 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. One familiar species is Acmella oleracea, which has been widely cultivated for centuries. It is used for food and medicine, and as an insecticide and an ornamental plant. Its common use as an herbal remedy for toothache and oral infections earned it the nickname toothache plant. These are annual or perennial herbs with branching stems usually reaching 10 to 20 centimeters in length, growing prostrate or

Achimenes is a genus of about 25 species of tropical and subtropical rhizomatous perennial herbs in the flowering plant family Gesneriaceae. They have a multitude of common names such as magic flowers, widow's tears, Cupid's bower, or hot water plant.

Myosotis discolor is a species of forget-me-not known by the common name changing forget-me-not. It is native to Europe, and it can also be found throughout eastern and western North America, where it is an introduced species. It grows in many types of habitat, including disturbed areas such as roadsides.

Heliopsis is a genus of herbaceous flowering plants in the family Asteraceae, 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. The name Heliopsis (pronounced , from Greek helios for "sun" and opsis for "appearance") refers to the bright yellow color of the flowers. Species are found widely in cultivation in temperate climates, notably varieties of H. helianthoides.

Annona senegalensis, commonly known as African custard-apple, wild custard apple, wild soursop, abo ibobo (Yoruba language), sunkungo (Mandinka language), and dorgot (Wolof language) is a species of flowering plant in the custard apple family, Annonaceae. The specific epithet, senegalensis, translates to mean "of Senegal", the country where the type specimen was collected. A traditional food plant in Africa, the fruits of A. senegalensis have the potential to improve nutrition, boost food security, foster rural development and support sustainable land care. Well known where it grows

Sabal minor, commonly known as the dwarf palmetto, is a small species of palm. It is native to the deep southeastern and south-central United States and northeastern Mexico. It is naturally found in a diversity of habitats, including maritime forests, swamps, floodplains, and occasionally on drier sites. It is often found growing in calcareous marl soil. Sabal minor is one of the most frost and cold tolerant among North American palms.

Typha domingensis, known commonly as southern cattail or cumbungi, is a perennial herbaceous plant of the genus Typha.

Tephrosia is a genus of flowering plants in the family Fabaceae. It is widespread in both the Eastern and Western Hemisphere, where it is found in tropical and warm-temperate regions. The generic name is derived from the Greek word τεφρος (tephros), meaning "ash-colored," referring to the greyish tint given to the leaves by their dense trichomes. Hoarypea is a common name for plants in this genus, along with goat's rue and devil's shoestring.

Ficus macrophylla, commonly known as the Moreton Bay fig or Australian banyan, is a large evergreen banyan tree of the mulberry and fig family Moraceae. It is native to eastern Australia, from the Wide Bay–Burnett region of Queensland in the north to the Illawarra region of New South Wales. The infraspecies Ficus macrophylla f. columnaris is endemic to Lord Howe Island. Its common name refers to Moreton Bay in Queensland. It is best known for its imposing buttress roots. Ficus macrophylla is called a strangler fig because seed germination usually takes place in the canopy of a host tree,

Cerastium brachypetalum, commonly called gray chickweed, grey mouse-ear or gray mouse-ear chickweed, is a spring blooming annual plant species. It is native to Mediterranean and temperate Europe, northwestern Africa, the Caucasus, and Western Asia. It has been introduced and naturalized in North America. Cerastium brachypetalum is one of 101 species deemed high priorities for conservation in the UK by the wild flower and plant charity Plantlife.

Afzelia africana, the African mahogany, afzelia, lenke, lengue, apa, or doussi, is a Myrmecophyte tree species in the family Fabaceae.

Trichophorum is a genus of flowering plants in the sedge family, Cyperaceae. Plants in this genus are known as deergrasses in Britain but are sometimes known as bulrushes in North America.

Aronia arbutifolia, called the red chokeberry, is a North American species of shrubs in the rose family. It is native to eastern Canada and to the eastern and central United States, from eastern Texas to Nova Scotia inland to Ontario, Ohio, Kentucky, and Oklahoma. Aronia arbutifolia is a branching shrub forming clumps by means of stems forming from the roots. It may reach a height between 1.8 and 3.6 meters (6 and 12 feet). Flowers are white or pink, producing black or bright red fruits. The fruits, whose ill taste inspired the common name, are bitterly acidic (though edible) when eaten raw,

Trichophorum alpinum, commonly known as alpine bulrush or cotton deergrass, is a species of flowering plant in the sedge family. It has a circumboreal distribution, occurring throughout the northern latitudes of the Northern Hemisphere. It is present in Europe, Asia, and northern North America. This sedge produces stems up to 40 centimeters (16 in) tall from a short rhizome. The leaves are no more than a centimeter long. The flowers have cottony white bristles that may extend 2 centimeters (0.79 in) past the spikelet. This plant grows in bogs and calcareous mountain meadows.

Tephrosia purpurea is a species of flowering plant in the family Fabaceae. It grows in poor soils as a common wasteland weed and has a pantropical distribution. It is a type of legume native to south-western Asia (the Levant, Arabian Peninsula, Socotra, Iran, Pakistan, India and Sri Lanka) and north-eastern Africa (Egypt, Sudan, Ethiopia, Eritrea, Djibouti, Somalia). The leaflets of the plant are obovate-oblong and equal-sided, and of a silky texture. The fruits (legumes) are typically 1 to 2 in (25 to 51 mm) long and contain six or seven brownish seeds. The species typically grows in areas

Litsea cubeba is a species of evergreen tree in the family Lauraceae. It is a shrub that grows up to 5–12 meters high. It is sometimes referred to by the common names the aromatic litsea, may chang, mountain pepper (山胡椒; pinyin: shānhújiāo), mujiangzi (木姜子; pinyin: mùjiāngzǐ) or douchijiang (豆豉姜; pinyin: dòuchǐjiāng) in Mandarin and maqaw (馬告) by the Atayal of Taiwan. It produces a fruit which is processed for its lemony essential oil. The oil can also be extracted from the leaf, but this is considered to be lower in quality. The timber is sometimes used for making furniture and crafts. Plant

Silene tatarica, called the Tartarian catchfly, is a species of flowering plant in the genus Silene, found in north-central Europe and western Asia, from Germany and Norway eastwards to western Siberia and Kazakhstan. A specialist of riparian habitats, its seeds are dispersed by water.