LIST OF PUBLICATION :
Hassan,L.M.,Hammad,A.& El Bakery(2012). Cytological and Morophological studies on Urigineea maritima . Alazhar pharm.Bull. Acceptance.
Galal,T., Farahat,E., El Midany,M.& Hassan,L.M.(2014).Germination Of Calotropis procera in Egypt. Alazhar pharm.Bull.Acceptance.
Hassan L.M., El-Ghanim, W.M, Galal, T.M. and Badr, A. (2010). Plant life and vegetation analysis in Hail Province , North Middle of Saudi Arabia. Saudi Bilogical Society. 17 (2): 1119-128.
Shaltout,K.H., Au, M.M., Hassan,L.M.& Galal,T.M. ( 2005). Habitat and Vegetation of lake Edku, Egypt. Taeckholmia ,vol.25, 90-104.
Shaltout,K.H., Hassan,P L.M. & Farahat, E.A. (2005). Vegetation – Environment relationships in south Nile Delta. Taeckholmia, vol.25, 112-130.
Hassan, L.M. & El Bakrey, A.A.( 2005). Wild species diversity in rainfed barley in the western Mediterranean coastal area of Egypt. Egyptian DesertRes.55,No.2,1-15.
Shaltout , K.H., Hassan, L.M. & Galal, T.M. (2005). Habitat and vegetation of lake Mariut, Egypt. Assiut University Journal of Botany, 38:60-73.
Fahmy, A.G. & Hassan, L.M. (2005). Plant diversity of wadi Ghayl,Aseer Mountains, Saudi Arabia. Egyptian J. Desert Res. 55, No.2, 1-14.
Hassan, L.M., Hegazy,A.K., Solirnan, M.S. & El Adawy. H.A. (2005). Phytosociological and floristic features of Bir Gendali, hyper arid desert,Egypt. Egyptian Desert Res. 55, No.2, 1-17.
Hassan, L.M. (2002). Plant life along Ismailia irrigation canal, Egypt. Bull. Fac. Sd., Assiut Univ. 31(1-D) p.p 55-65.
Aly , M.M, Bathi, M.A., Hassan, L.M. and Springuel , I.V.(1997). Effect of physiogeographica’ factors on dcsert vegetation, wadi Allaqi biosphere reserve, Egypt: .Multivariate analysis. Ecologie, t.
Mohamed, M. K. and Hassan. L,M. (1995).The weed communities of cotton in Egypt. Quad.Bot.Ambient.A ppL 6(1995): 16 1-164. Italy.
Sheded, M.G. and Hassan. L. M. ( 1999) . Reproductive ecology of Mimosa pigra L. in Egypt . Feddes Repert. 110 (3-4): 219-224German
Hassan,L. M., Fahmy, A.G. and Galal, TM. (2001) . Enviromental parameters and vegetation anaiysis of sedimentaiy islands, River Nile, Egypt. Bull. Fac. S ci., Assiut Univ. 30 (2- D): 153-169.
Zaki, M.A. and Hassan, L.M. (1994) . TThe weed flora of reclaimed farmland in Sabaha region, Libya . Man. Sci. Bull. (B.Biology) vol.21(2) :1-22.
Hassan, L.M. and Sheded, M.G.(1995) . Ecological study of two riverian shrubs in Aswan area, Egypt. Bull. Fac. Sci., Assiut Univ ., 24(1-D):103-111
Hassan,_L.M.(1995). Chorological and.floristic features of wadi Zigzah , Fezzan, Libya . Bull. Fac. Agric., Cairo Univ., 46 : 625- 636.