Flora of Algeria

Abies numidica, the Algerian fir, is a species of fir found only in Algeria, where it is endemic on Jebel Babor, the second-highest mountain (2,004 m) in the Algerian Tell Atlas.

Cupressus dupreziana, the Saharan cypress, or tarout, is a very rare coniferous tree native to the Tassili n'Ajjer mountains in the central Sahara desert, southeast Algeria, where it forms a unique population of trees hundreds of kilometres from any other trees. There are only 233 specimens of this endangered species, the largest about 22 m tall. The majority are estimated to be over 2000 years old, with very little regeneration due to the increasing desertification of the Sahara. Rainfall totals in the area are estimated to be about 30 mm annually. The largest one is named Tin-Balalan is

Sedum multiceps, also known as miniature/pygmy Joshua tree, is a perennial, deciduous species of Sedum from the succulent plant family Crassulaceae, native to Algeria. The plant is nicknamed for its glaucous leaves that grow in clusters, resembling Yucca brevifolia. It was named officially as a distinct species in 1862.

Paeonia algeriensis, also known as the Algerian peony, is a herbaceous species of peony that naturally occurs in the coastal mountain range of Algeria (Kabylie). It has solitary flowers with pink to magenta petals and one or two carpels per flower, that develop into follicles of about 5 cm long.

Salvia balansae a perennial plant species of the family Lamiaceae. It is native to Algeria.

Daucus gracilis is a widespread species of flowering plant in the family Apiaceae. It is native to Algeria. An annual reaching 40 cm (16 in), it is typically found in rocky soils at elevations from 0 to 655 m (0 to 2,150 ft). It is a crop wild relative of carrot, and has been assessed as Least Concern.

Agropyropsis is a monotypic genus of grasses closely related to Catapodium. It is native to the Batna Province in northeastern Algeria, and only contains a single species, Agropyropsis lolium. It once included a second species, Agropyropsis gracilis, which has since been renamed and moved to Lolium canariense.

Otocarpus is a genus of flowering plants belonging to the family Brassicaceae. It includes a single species, Otocarpus virgatus, which is endemic to Algeria.

Galium perralderii is a species of flowering plant, native to Algeria, in the family Rubiaceae. This plant was first described in 1862 by Ernest Cosson. The specific epithet, perralderii, honours Cosson's friend and fellow botanist, Henri-René Le Tourneux de la Perraudière (1831-1861).

Digitalis atlantica is a perennial foxglove species in the family Plantaginaceae. It is native to Algeria.

Cyperus algeriensis is a species of sedge that is native to Algeria in northern Africa.

Silene sessionis is a species of plant in the family Caryophyllaceae. It is native to Algeria. Where it is endemic to coastal sea cliffs. The IUCN lists the species as endangered.

Otocarpus is a genus of flowering plants belonging to the family Brassicaceae. It includes a single species, Otocarpus virgatus, which is endemic to Algeria.

Cedrus atlantica, the Atlas cedar, is a species of tree in the pine family Pinaceae, native to the Rif and Atlas Mountains of Morocco (Middle Atlas, High Atlas), and to the Tell Atlas in Algeria. A majority of the modern sources treat it as a distinct species Cedrus atlantica, but some sources consider it a subspecies of Lebanon cedar (C. libani subsp. atlantica).

Linum grandiflorum is a species of flax known by several common names, including flowering flax, red flax, scarlet flax, and crimson flax. It is native to Algeria and Tunisia, but it is known elsewhere in Northern Africa, Southern Europe and in several locations in North America as an introduced species. It is an annual herb producing an erect, branching stem lined with waxy, lance-shaped leaves 1 to 2 centimeters long. The inflorescence bears flowers on pedicels several centimeters long. The flower has 5 red petals each up to 3 centimeters long and stamens tipped with anthers bearing light

Hedera algeriensis, the Algerian ivy, is a species of evergreen ivy native to the North African coast, including coastal mountains in Algeria.

Salvia algeriensis is an annual Salvia native to northeast Morocco and northwest Algeria, found growing at up to 600 m (2,000 ft) elevation. In its native habitat, it grows nearly 1 m (3.3 ft) in height (it is much shorter in cultivation), with bright green ovate leaves about 8 cm (3.1 in) long and wide. Each plant produces 3–4 inflorescences up to 15 cm (5.9 in) long, with light violet flowers that have violet specks on the lower lip. The plant has a light scent when crushed, similar to thyme.

Quercus afares, the African oak, is a species of oak native to Algeria and Tunisia. It has a very limited distribution in the coastal mountains of the eastern Tell Atlas in Algeria, and the Mogod-Kroumerie region of northwestern Tunisia. Quercus afares is deciduous, with a corky bark (thinner than that of the cork oak, Q. suber), and can reach 25–30 metres in height. It grows in dense stands, associated with cork oak at elevations as low as 200 metres, and with the semi-deciduous Algerian oak (Q. canariensis) from 700 to 1600 metres elevation. Q. afares can also be found in monospecific

Mecomischus is a genus of North African flowering plants in the chamomile tribe within the daisy family. Species Mecomischus halimifolius (Munby) Hochr. - Morocco, Algeria Mecomischus pedunculatus (Coss. & Durieu) Oberpr. & Greuter - Algeria

Warionia is a genus in the tribe Cichorieae within the family Asteraceae. The only known species is Warionia saharae, an endemic of Algeria and Morocco, and it is locally known in the Berber language as afessas, abessas or tazart n-îfiss. It is an aromatic, thistle-like shrub of ½–2 m high, that contains a white latex, and has fleshy, pinnately divided, wavy leaves. It is not thorny or prickly. The aggregate flower heads contain yellow disk florets. It flowers from April till June. Because Warionia is deviant in many respects from any other Asteraceae, different scholars have placed it

Raffenaldia is a genus of flowering plants belonging to the family Brassicaceae. It is native to Algeria and Morocco in northern Africa. The genus name of Raffenaldia is in honour of Alire Raffeneau Delile (1778–1850), a French botanist. It was first described and published in Mém. Sect. Med. Acad. Sci. Montpellier Vol.1 on page 413 in 1853. Known species, according to Kew: Raffenaldia platycarpa (Coss.) Stapf Raffenaldia primuloides Godr.

Iris tingitana (also commonly known as the Morocco iris, or Tangerian iris, or Tangiers iris) is a species in the genus Iris in the subgenus of Xiphium.

Fraxinus dimorpha is a species of flowering plant in the family Oleaceae. This ash tree is native to Morocco and Algeria in Northern Africa. An example occurrence of F. dimorpha is the Ourika River Valley, which is also the sole location within the High Atlas Range where the endangered primate Barbary macaque, Macaca sylvanus is known to occur, is the southernmost species of the genus in the world.

Oreobliton is a monotypic genus of flowering plants belonging to the family Amaranthaceae. The only species is Oreobliton thesioides. Its native range is Algeria and Tunisia in northwestern Africa.

Allium antiatlanticum is a plant species native to Morocco and Algeria. It is a bulb-forming perennial with a scent resembling that of garlic or leeks. It has a bulb and is pollinated by bees and other insects.

Helianthemum squamatum is a species of low woody herbaceous plant native to Spain and Algeria. It is the only known species able to extract water of crystallization from rock and is able to derive up to 90% of its fluid requirements from gypsum using this process. By comparing the isotope composition of the plant's sap water to the isotopic composition of free water in the soil and water of crystallization within gypsum it was discovered by Sara Palacio of the Instituto Pirenaico de Ecología and Juan Pedro Ferrio of the University of Lleida that between 70% and 90% of the sap water came from

Hedera maroccana, the Moroccan ivy, is a species of ivy (genus Hedera) which is native to the Atlantic coast in northern Africa. It is an evergreen climbing plant, growing to 20–30 m high where suitable surfaces (trees, cliffs, walls) are available, and also growing as ground cover where there are no vertical surfaces. It climbs by means of aerial rootlets which cling to the substrate. In warm climates, it grows more rapidly and becomes established a good bit faster than the related Hedera hibernica and Hedera helix. The genus name Hedera is the classical Latin name for ivy. Maroccana is the

Gagea mauritanica is a species of flowering plant in the lily family, Liliaceae. This Mediterranean plant is native to the Balearic Islands, and Algeria. Gagea mauritanica is a bulb-forming perennial herb with yellow flowers.

Centaurea acaulis, the stemless star thistle, is a species of plant in the family Asteraceae.

Anthemis punctata is a species of flowering plant in the genus Anthemis, native to Algeria and Tunisia. The Royal Horticultural Society has given the Award of Garden Merit to a plant native to Sicily it calls Anthemis punctata subsp. cupaniana. As of August 2024, Plants of the World Online treated this as a separate species, Anthemis cupaniana.