Flora

Flaveria bidentis (L.) Kuntze , it is a glabrescent annual, up to 20-60 (80) cm, with much branched stems. Leaves laceolate-elliptic, 3.5 -10 cm long and 0.6-1.8 wide, sparsely serrate to dentate to sub entire, petiolae or almost sessile. Capitula are small in congested scorpioid terminal glomerules, and irregulary rayed. Involucre about 0.5 long and 1 mm wide, almost cylindrical; phyllaries 2-serrate, obtuse. Ray florets are 2-3 with pale yellow corolla. Disc florets 3-8 mm long and 3-3.5 mm wide. Achenes of ray florets 2.5 mm, cylindrical, black. Achenes of disc florets 2 mm long and 0.5 mm wide, ellpsoid, black.

Fezzan area:  Murzuq farms, Murzuq 2015

Introduced in Libya.

Link of images:  https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:105042-2

https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:105042-2,   https://www.ipni.org/n/105042-2,    http://www.worldfloraonline.org/taxon/wfo-0000038238,   https://www.gbif.org/species/3086861,   https://africanplantdatabase.ch/en/nomen/specie/97482/flaveria-bidentis-l-kuntze,   https://africanplants.senckenberg.de/search/quick?full_text=Flaveria+bidentis+%28L.%29+Kuntze#searchResults,  http://www.kyffhauser.co.za/Plants1/Flaveria_bidentis/Index.htm,  http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=242428447,  https://en.wikipedia.org/wiki/Flaveria_bidentis