First reports of alien plants in Algeria
Alien plants which were not known to occur in Algeria are listed in the table below, with their situation in Algeria, and other nearby countries where the species are known to occur.
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Species
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Location of established populations in Algeria
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Establishment in other countries
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Acer cf. pseudoplatanus (Sapindaceae)
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In the Chréa, near Blida in Algeria
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Islas Canarias (ES) and Madeira (PT)
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Agave sisalana (Asparagaceae)
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In Greco-roman ruins in Tipaza
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Islas Canarias (ES), Libya and Morocco
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Ailanthus altissima (Simaroubaceae, EPPO List of Invasive Alien Plants)
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Naturalized and became invasive in oueds: e.g. in O. Ksari, O. Boghni, Tizi-Ouzou, O. Djer, Aïn Defla.
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Madeira (PT), Islas Canarias (ES), Morocco and Libya
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Aptenia cordifolia (Mesembryanthemoideae)
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In the cities of Béjaïa and Sidi Bel-Abbès
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Madeira (PT), Islas Canarias (ES), Morocco and Libya
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Cardiospermum grandiflorum (Sapindaceae, EPPO List of IAP)
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In Cap Bouak in Béjaïa
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Islas Canarias (ES) and Madeira (PT)
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Ceratochloa cathartica (Poaceae)
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Used as an ornamental turf in Alger where it escaped. Also in L’Arba and Boufarik
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Islas Canarias (ES), Egypt, Madeira (PT), Morocco and Tunisia
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Chamaesyce maculata (Euphorbiaceae)
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Disturbed sandy shores in El Tarf, sidewalks in Béjaïa
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Islas Canarias (ES), Morocco and Tunisia
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Chamaesyce prostrata (Euphorbiaceae)
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Sidewalks in Béjaïa
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Islas Canarias (ES), Egypt and Madeira (PT)
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Chamaesyce serpens (Euphorbiaceae)
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El Kala
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Islas Canarias (ES), Egypt, Morocco and Tunisia
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Commelina cf. chamissonis or C. communis (Commelinaceae)
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Sidewalks in Alger and Béjaïa, and recorded as a weed in irrigated crops
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Crepis bursifolia (Asteraceae)
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In sidewalks and wastelands in numerous cities (e.g. Alger, Bab Ezzouar, Oran)
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Islas Canarias (ES), Morocco and Tunisia
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Elaeagnus angustilofia (Elaeagnaceae)
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Cutivated as an ornamental in cities, such as Alger.
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Morocco, Tunisia
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Ibicella lutea (Martyniaceae)
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Beaches in Draouch and El Tarf, agricultural prairies in El Hadjar, Annaba
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Tunisia
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Lantana camara (Verbanaceae)
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Wastelands around gardens in Tizi-Ouzou
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Islas Canarias (ES), Egypt, Libya, Madeira (PT), Morocco and Tunisia
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Nothoscordum borbonicum (Amaryllidaceae)
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Anthropized sites in Alger, M’Sila
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Islas Canarias (ES), Egypt, Libya, Madeira (PT), Morocco and Tunisia
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Oxalis purpurea (Oxalidaceae)
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Annaba
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Islas Canarias (ES), Madeira (PT), Morocco and Tunisia
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Paspalum dilatatum (Poaceae)
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Anthropized sites in Alger, Annaba, Béjaïa
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Islas Canarias (ES), Egypt, Libya, Madeira (PT) and Morocco
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Setaria parviflora (Poaceae)
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Anthropized sites in Annaba
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Islas Canarias (ES)
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Solanum bonariense (Solanaceae)
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Anthropized sites in Annaba, El Kala, El Tarf
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Islas Canarias (ES) and Tunisia
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Solanum elaeagnifolium (Solanaceae, EPPO A2 List)
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Anthropized sites in Jijel, in Hammam Dalaa
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Egypt, Lybia, Morocco and Tunisia
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Other species were found as transient:
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Species
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Location of transient populations in Algeria
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Establishment in other countries
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Eleusine indica (Poaceae)
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Alger, Annaba, El Tarf
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Egypt
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Galinsoga parviflora (Asteraceae)
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Anthropized areas in Annaba, Béjaïa
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Islas Canarias (ES), Egypt and Madeira (PT)
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Pennisetum villosum (Poaceae)
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Cultivated, found in anthropized places in Alger, Annaba, Jijel
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Islas Canarias (ES) and Morocco
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Phacelia tanacetifolia (Boraginaceae)
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Wasteland in M’Sila
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Polygala myrtifolia (Polygalaceae)
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Tipaza
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Yucca gloriosa (Asparagaceae)
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Tipaza
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Sources
Véla E, Rebbas K, Meddour R, de Bélair G (2013) Notes et compléments sur quelques taxons traités dans les volumes 1 à 4. Note sur quelques xénophytes nouveaux pour l’Algérie (et la Tunisie). Addenda. Notes. Xénophytes. 372-376.