This page includes species that were considered new to Syrian flora according to the following criteria:
- Species that were not mentioned in Mouterde’s Flora and whose presence was recorded based on recently published research and studies.
 - Species mentioned in Mouterde’s Flora, but not recorded in Syria, but rather in Lebanon or in neighboring areas close to the current borders.
 - Species recorded in Syria based on international databases (Kew, GBIF, EuroplusMed) and by the International Union for Conservation of Nature (IUCN).
 
                        Iris assadiana - Chaudhary, G.Kirkw. & C.Weymouth
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                        Ephedra distachya - L.
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                        Ephedra aphylla - Forssk.
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                        Campanula glomerata - L.
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                        Anchusa officinalis - L.
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                        Symphyotrichum subulatum - (Michx.) G.L.Nesom
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                        Isatis armena - L.
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                        Atriplex micranth - C.A. Mey.
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                        Parentucellia flaviflora - (Boiss) Nevski
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                        Thlaspi perfoliatum - L.
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                        Echinops adenocaulos - Boiss.
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                        Consolida scleroclada - (Boiss.) Scroedgr.
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                        Physalis angulata - L.
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                        Chrozophora oblongifolia - Delile) A.Juss. ex Spreng.
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                        Malva pusilla - Sm.
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                        Euphorbia heterophylla - L.
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                        Prunus mahaleb - L.
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                        Stipa arabica - Trin. & Rupr.
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                        Ranunculus neocuneatus - C.C.Towns.
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                        Gagea villosa - (M.Bieb.) Sweet
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                        Eruca longirostris - Uechtr
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                        Buglossoides tenuiflora - (L.f.) I.M.Johnst.
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                        Allium albotunicatum - O.Schwarz
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                        Allium daninianum - Brullo, Pavone & Salmeri
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                        Urtica membranacea - Poir. ex Savigny
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                        Aegilops tauschii - Coss.
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                        Aegilops vavilovii - (Zhuk.) Chennav.
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                        Erodium deserti - Eig.
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                        Geranium libanoticum - Schenk
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                        Iris swensoniana - Chaudhary, G.Kirkw. & C.Weymouth
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                        Lycium chinense - Mill.
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                        Lycium europaeum - L.
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                        Sideritis syriaca - (Boiss et Reut.) Boiss.
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                        Crocus baalbekensis f. assiensis - Addam & Bou-Hamdan
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                        Crocus baalbekensis - Addam & Bou-Hamdan
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                        Senecio leucanthemifolius - Phil.
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                        Salvia officinalis - L.
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                        Artemisia monosperma - Delile
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                        Neotinea intacta - (Link.) Reichbg.
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                        Centranthus ruber - (L.) DC.
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                        Equisetum telmateia - Ehrn.
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                        Euphorbia geniculata - Ortega
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                        Solanum elaeagnifolium - Cav.
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                        Oxalis articulata - Savigny
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                        Achillea santolina - L.
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                        Iris lortetii - Barbey.
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                        Hordeum glaucum - Steud.
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                        Malus trilobata - C.K. Schneider
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                        Nepeta flavida - Hub.-Mor.
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                        Lavandula angustifolia - Mill.
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                        Lactuca viminea - (L.) J et Presl.
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                        Serapias orientalis - (Greuter) H.Baumann & Künkele
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                        Ophrys speculum - Link.
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                        Anacamptis morio - (L.) R.M.Bateman, Pridgeon & M.W.Chase
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                        Anacamptis papilionacea - (L.) R.M.Bateman, Pridgeon & M.W.Chase
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                        Ophrys umbilicata - Desf.
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                        Ophrys apifera - Huds.
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                        Torilis arvensis - (Huds.) Link.
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                        Physospermum cornubiense - (L.) DC.
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                        Nonea philistaea - Boiss.
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                        Nicotiana glauca - Graham
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                        Kochia indica - Wight.
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                        Ipomoea purpurea - (L.) Roth
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                        Arthrocnemum machrostachyum - (Moric.) Moris.
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                        Isoetes hystrix - Dur.
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                        Erica vertcillata - PJ. Bergius
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                        Sophora japanica - L.
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                        Halimione portulacoides - (L.) Aellen.
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                        Aetheorhiza bulbosa - (L.) Cass.
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                        Bidens pilosa - L.
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                        Anabasis syriaca - Iljin
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                        Gagea libanotica - (Hochst). Greuter
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                        Lupinus luteus - L.
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                        Tordylium carmeli - (Labail.) Al-Eisawi
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                        Fritillaria hermonis - Fenzl ex Klatt
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                        Bellevalia stepporum - Feinbrun
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                        Muscari inconstrictum - Rech.fil.
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                        Retama raetam - (Forssk.) Webb.
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                        Trifolium bullatum - Boiss. & Hausskn.
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                        Anabasis articulata - (Farsk) Moq
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                        Trifolium dasyurum - C. Presl
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                        Trifolium meneghinianum - Clem.
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                        Romulea phoenicia - Mout,
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                        Avena barbata - Potter
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                        Consolida flava - (DC.) Schroed
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                        Trifolium palaestinum - L.
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                        Trigonella kotschyi - Fenzl.
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                        Astragalus trimestres - L.
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                        Caucalis tenella - D.C.
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                        Peucedanum mucronatum - Thieb
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                        Stellaria pallida - (Dumort.) Piré.
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                        Phalaris canariensis -
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                        Plantago ciliata - Desf.
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                        Rostraria pumila - (Desf.) Tzelev.
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                        Silene palaestina - Boiss.
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                        Trifolium angustifolium - L.
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                        Trifolium glanduliferum - Boiss.
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                        Trifolium grandiflorum - Schreb.
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                        Vulpia unilateralis - (L.) Stace.
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                        Ventenata eigiana - (H.Scholz et Raus) Dagon.
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                        Sarcopoterium spinosum - (L.) Spach.
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                        Astragalus berytheus - Boiss. et Bl.
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                        Cephalaria tenella - Paine.
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                        Erysimum libanoticum - Post
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                        Lathyrus setifolius - L.
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                        Scabiosa porphyroneura - Blakelock
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                        Trifolium billardieri - Sprengel.
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                        Trigonella cylindracea - Desv.
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                        Ranunculus strigilosus - Boiss. & A.Huet
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                        Carex pachystylis - J. Gay
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                        Dianthus polycladus - Boiss.
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                        Stipa lagascae - Roem. Schult.
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                        Avena wiestii - (Steud.) Maire
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                        Iris hermona - Dinsm.
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                        Utricularis vulgaris - L.
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                        Elymus elongatus - (Host) Runemark
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                        Calotropis procera - (Aiton) W.T.Aiton
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                        Sanguisorba minor - Scop.
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                        Crocus damascenus - Herb.
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                        Aegilops ventricosa - Tausch.
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                        Prunus cerasia - Blanche ex Post
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                        Rhododendron ponticum - L.
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                        Convolvulus oleifolius - Desr.
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                        Berberis cretica - L.
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                        Thymelaea hirsuta - (L.) Endl.
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                        Acantholimon acerosum - Willd.Boiss.
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                        Rhamnus libanotica - Boiss.
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                        Heliotropium europaeum - L.
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                        Quercus aegilops - L.
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                        Quercus cedrorum - Ky
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                        Eriolobus trilobatus - (Labbill.) M. Roem.
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                        Iris atrofusca - Backer.
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                        Astragalus roessleri - Podlech
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                        Thliphthisa semanensis - (Schönb.-Tem. & Ehrend.) P.Caputo & Del Guacchio
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                        Meniocus linifolius - Stephan ex Willd.) DC.
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                        Siebera nana - (DC.) Bornm.
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                        Cotoneaster racemiflorus - (Desf.) Schltdl.
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                        Wolffia arrhiza - (L.) Horkel ex Wimm.
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                        Loncomelos neuneri - Speta
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                        Clinopodium syriacum - Melnikov
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                        Rhamnus disperma - Ehrenb. ex Boiss
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                        Vicia kalakhensis - Khattab, Maxted & F.A.Bisby
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                        Scilla libanotica - Speta.
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