Peter Jonas Bergius

Disa is a genus of flowering plants in the family Orchidaceae. It comprises about 182 species. Most of the species are indigenous to tropical and southern Africa, with a few more in the Arabian Peninsula, Madagascar, and Réunion. Disa bracteata is naturalised in Western Australia, where the local name is "African weed-orchid." The genus Disa was named by P.J. Bergius in 1767. It was named after Disa, the heroine of a Swedish legend.

Littorella is a genus of two to three species of aquatic plants. Many plants live their entire lives submersed, and reproduce by stolons, but some are only underwater for part of the year, and flower when they are not underwater.

Strychnos ignatii is a tree in the family Loganiaceae, native to the Philippines, particularly in Catbalogan and parts of China. The plant was first described by the Moravian (Czech) Jesuit working in the Philippines, brother Georg Kamel who named its seeds "the beans of St. Ignatius", in honour of the founder of his religious order.

Scleria is a genus of flowering plants in the sedge family, Cyperaceae. They are known commonly as nutrushes. They are distributed throughout the tropics, and some species have ranges extending into temperate areas. There are about 200 species.

Grubbia is a genus of flowering plants. It is the sole genus in the family Grubbiaceae. The genus has three species, all endemic to the Cape Floristic Region of South Africa. They are shrubs that grow to 1.5 m (4.9 ft) tall, with tiny flowers and slender, leathery leaves. The fruit is a syncarp. Grubbia was named by Peter Jonas Bergius in 1767 in a Swedish journal entitled Kongliga Vetenskaps Academiens Handlingar. The generic name honors the Swedish botanist Michael Grubb. Grubbia was revised by Sherwin Carlquist in 1977. Grubbia gracilis, Grubbia hirsuta, and Grubbia pinifolia had all been

Paspalum conjugatum, commonly known as carabao grass or hilo grass, is a tropical to subtropical perennial grass. It is originally from the American tropics, but has been naturalized widely in tropical Southeast Asia and Pacific Islands. It has also spread to Northern Africa and Northern Eastern Australia, and New Zealand. It is also known as sour paspalum, T-grass (after the shape of their panicle), or more confusingly, as "buffalo grass" or "sour grass".

Disa uniflora, the red disa or pride of Table Mountain, is a South African species of orchid in the family Orchidaceae. It is the type species of the genus Disa, and one of its best-known members. It is occasionally referred to by its old name Disa grandiflora.

Lidbeckia is a genus of South African flowering plants in the chamomile tribe, within the daisy family. It includes three species endemic to the Cape Provinces of South Africa. The genus is named in honour of Eric Gustavius Lidbeck (1724–1803), formerly Professor of Botany at Lund, Sweden. Species Lidbeckia lobata Thunb. Lidbeckia pectinata P.J.Bergius Lidbeckia pinnata J.C.Manning & Helme

Erica lutea, the yellow-rice heath or rice heath, is a plant that belongs to the genus Erica and is part of the fynbos. The species is endemic to the Western Cape.

Cyphia is a genus of flowering plants in the bellflower family, native to Africa; and particularly South Africa. It has been placed in its own subfamily, Cyphioideae. It is closely related to the genus Lobelia. Cyphia comes in shades of white to mauve, whereas lobelias have strong colours of blue to purple. Species in this genus have a bilabiate corolla; with 3 lobes on top and 2 below (as opposed to Lobelia, which has 2 lobes on top and 3 below). Accepted species: Cyphia alba N.E.Br. – Zimbabwe Cyphia alicedalensis E.Wimm. in H.G.A.Engler – South Africa Cyphia angustifolia Eckl. & Zeyh. ex

Aulax is a South African Proteaceae genus of just three species of evergreen shrubs commonly known as "featherbushes". It is unusual among the many South African Proteaceae in having male and female flowers on separate plants. The bushes have fine needle-like foliage. In spring and summer female plants produce funnel-shaped Leucospermum-like flowerheads that develop into seed cones. The catkin-like male flowers are yellow.

Leucadendron salignum, also known as the common sunshine conebush, is an evergreen, dioecious shrub in the family Proteaceae. It produces several stems from the ground of up to 2 metres (6 ft 7 in) high. It survives the wildfires that occur every one or two decades in the fynbos, where it occurs, by regrowing from an underground rootstock. Pollinated by beetles, it flowers from April to November. The winged seeds remain in the woody cones until they are released after a fire, and are distributed by the wind. It is possibly the most common Proteaceae species in South Africa, and can be found

Dilatris is a genus of four species of evergreen perennial herbaceous plants of up to 60 cm (2.0 ft) high, that are assigned to the bloodroot family. The plants have hairless, line- to lance-shaped leaves set in a fan that emerges from a red or orange coloured rootstock. Six free tepals with some gland dots near their tips are present on the mauve or dirty yellow flowers' six free petals. The other two stamens are longer and spreading with smaller scarlet anthers, while the one stamen is short, upright, and has a large, yellow anther. The style is diverted from the centre opposite both longer

Crassula glomerata, the orange stonecrop, is a herb in the family Crassulaceae. The succulent annual herb has an erect habit and typically grows to a height of 4 to 15 centimetres (1.6 to 5.9 in). It blooms between August and November producing white-red flowers. It has become naturalised in Western Australia where it is found on coastal dunes and plains along the coast in the Great Southern, Wheatbelt, South West and Peel regions.

Arctotis stoechadifolia, the African daisy or white arctotis, is a species of South African flowering plants in the family Asteraceae. It is a rare plant found only in its native range in sand dunes along the West coast of Cape Province. However, it has also been introduced in New Zealand. The species is sometimes regarded as the same species as the much more common and widely cultivated A. venusta, but authors separate the two as distinct species.

Thamnochortus is a group of plants in the Restionaceae described as a genus in 1767. The entire genus is endemic to Cape Province in South Africa. Species formerly included moved to other genera: Cannomois Hypodiscus Restio Rhodocoma Staberoha

Laurembergia is a semiaquatic genus of plant in the watermilfoil family, Haloragaceae. It is endemic to Southern Africa.

Erica verticillata is a species of Erica that was naturally restricted to the city of Cape Town but is now classified as extinct in the wild.

Erica subdivaricata, known by the common name cup heath, is a plant belonging to the genus Erica. The species is endemic to the Western Cape.

Erica multumbellifera, known by the common name bead heath, is a plant belonging to the genus Erica and is part of the fynbos. It is endemic to the Western Cape.

Erica glutinosa, known as glue heath, is a plant belonging to the genus Erica and forming part of the fynbos. The species' scientific name was first published by P.J. Bergius. The species is endemic to the Western Cape.

Erica ferrea, the iron heath, is a plant belonging to the genus Erica and forming part of the fynbos. The species is endemic to the Western Cape. Parts of the plant's habitat have been lost, between Muizenberg, Table View, Kraaifontein and Eerste River, from 2 415 km² to 916 km². It still occurs from Yzerfontein to Malmesbury and the Cape Flats.

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Asparagus rubicundus, known as the red-stemmed asparagus, is a fluffy, thorny shrub of the Asparagus genus, that is endemic to the Cape Provinces of South Africa.

Polygala fruticosa, the sweet pea shrub, is a species of flowering plant in the milkwort family (Polygalaceae). It is native to Eswatini and Kwazulu-Natal and the Cape Provinces in South Africa. It was first described by Peter Jonas Bergius in 1767. According to the Red List of South African Plants, it is of least ecological concern.

Melasma is a genus of flowering plants in the family Orobanchaceae. It includes seven species of herbaceous perennial plants native to the tropical Americas and sub-Saharan Africa, ranging from northeastern Mexico to northeastern Argentina and from the Democratic Republic of the Congo and Tanzania to South Africa.

Cyphia bulbosa, also known by its common name Bulb Baroe, is a species of flowering plant from the genus Cyphia.

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Leucadendron levisanus, commonly known as the Cape flats conebush, is a flower-bearing shrub that belongs to the genus Leucadendron and forms part of the fynbos. The plant is native to the Western Cape, where it occurs in the Cape Flats from Vishoek to Eerste River and Mamre. The shrub grows 2 m (6 ft 7 in) tall and bears flowers in October. Fire destroys the plant but the seeds survive. The seeds are stored in a toll on the female plant and are released where they fall to the ground and are possibly spread by the wind. The plant is unisexual and there are male and female plants. Insects do