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Najas marina L., it is a hydro annual submerged, aquatic herb, 10-20 cm long, repeatedly and forkedly branched, stems smooth or ± spinose-dentate near the top, rather stiff and brittle levees up to  4.5 x 0.5 cm. strongly spinose-dentate and ± toothed on the back, sheaths  entire, not ciliate. Flowers dioccious, male sapathaceous, with 4-thecous anthers. Female ones naked. Fruit 3-8 mm long, ellipsoid or ovoid.  Life Form: Hy,   Flowering in:——————-,   Vern:—————-,   Phytochoria: Cosm, The native range of this species is Cosmopolitan.  Notes: Wild in Libya.

For more information: https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:321282-2,   https://www.ipni.org/n/321282-2,   https://www.worldfloraonline.org/taxon/wfo-0000769531,   https://www.gbif.org/species/5329324,   https://africanplantdatabase.ch/en/nomen/specie/129227/najas-marina-l,  https://www.preservons-la-nature.fr/flore/taxon/770.html,   https://www.florealpes.com/fiche_najasmarina.php,   https://tropical.theferns.info/viewtropical.php?id=Najas+marina,   https://doris.ffessm.fr/Especes/Najas-marina-Naiade-marine-2550,   https://inpn.mnhn.fr/espece/cd_nom/109213/tab/fiche

 

Distribution in Libya
Sirte Plains
Reported from Tawrgha by Pampanini and Keith

 

Bibliographic references:  
First: Encyclopedia Flora of Libyan:  
Jafri, S.M.H. & El-Gadi, A. (1984) Flora of Libya, Najadaceae Vol.  (113) Department of Botany, Al-Faateh Univ., Tripoli, Libya.
Second: Researches and PhD theses, master theses, Sorted by Newest: pdf files
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