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1. Brooker , S.E., Doaigey, A.R.,Harkiss, K.J. 1976.  Comparativ Anatomy of the arial parts of Antirrhinum molle and A. mollissimum Planta Medica, Bot.,Bd. 30. Heft. 4, 319-327.

2.  Shalaby, A.F. Youssef, M.M. and  Doaigey A.R. 1979.Phytochemical  studies on elements of the Flora of Saudi Arabia.1. Chemical, and  morphological studies of seeds of Cucumis prophetarum growing  naturally in the deserts of Riyadh area. J. Fac, Sci. Riyadh Univ. Vol. 10,   39 - 45 .3.Doaigey, A.R., Gawad, H.A. and Younis, I. 1981. Comparative anatomy of the leaf and stem of Heliotropium bacciferum Forssk. and H.digynum (Forssk) Asch. ex. C. Christens (Boraginaceae) growing in Saudi Arabia, Proc. Saudi Biol. Soc., 5, 119-130.

 4. Doaigey, A.R., Mady, M.I. and Gawad, H.A.1982. Comparative anatomical  studies  for three species of the genus Convolvulus. J. Coll . Sci. , King Saud Univ. 13, (1), 81-96.

5. Doaigey, Abdullah R. and Harkiss, K. J. 1982. Comparative anatomy of the leaf and stem of Antirrhinum meonanthum Hoffmanns. & Link and A. braun-blanquetii Rothm. J.Col. Sci., King Saud Univ., 13, (2), 249-257.

6 Doaigey, A. R. and Harkiss, K. J. 1982. Development of the glandular leaf hairs of  Antirrhinum meonanthum Hoffman (Scrophulariaceae). Pak. J. Not., 14: (1) 103-106.

7.  Doaigey, Abdullah R. and Gawad, H.A. 1984. Comparative anatomy and histology of leaf and stem in S.aegyptiaca, S.deserti and S.spinosa. Arab Gulf. J.Gulf J.Scient. Res. 2(1), 5-20.

      8  Doaigey, Abdullah R. Gawad, H.A. and Meligy A.M. 1985. Morphology and types of trichomes in some species of Lamiaceae. Proc. Saudi Biol. Soc. (Al-Hassa Sym). 189-204.

9. Doaigey, Abdullah R. and Al-Ahmad, Y.M. 19865.  Histological studies of the leaf and stem of two Cleome species growing naturally in Saudi Arabia. J.Coll. Sci. Sci, King Saud Univ. 16(1), 13-21.

10.  Doaigey, Abdullah R. Gawad H. A. and Meligy, A.M. 1988. Histological characters of some marsh plants with special reference  to intercellular air spaces and vascular tissues. J. Univ. Kuwait  (Sci.) 15, 299-312.

11. Doaigey, Abdullah R. Gawad, H.A.; Meligy A.M and Abd-El-Fattah, M.G. 1989.  Adaptive anatomical and histological characters of the leaf  and stem of three desert species of Capparis. Arab Gulf J. Scient. Res. Agric. Biol. Sci. B7 (1), 53-67.

12. Doaigey, Abdullah R. 1991. Trichome types in the genus Otostegia  (Lamiaceae) 1:O.fruticosa var. fruticosa and O.fruticosa var. schimperi J. King Saud Univ., Vol. 3 , Science (1), 23-30.

13. Doaigey, Abdullah R. 1991. The occurrence, type and location of calcium oxalate crystals in the leaves and stems of 16 species of poisonous plants. American Journal of Botany. 78 (12) 1608-1616.

 14.  Doaigey, Abdullah R.1991. Type and occurrence of trichomes on two Species of Lavandula L. (Lamiaceae) 1: L.pubescens Decne.  and L.dentata L. Derasat (Science).Vol. 18. No. 4, 77 - 94.

15. Al-Whaibi, M.H. and Doaigey, A.R. 1991. Response of date palm seedling to GA3 and 2,4-D spray application. 1. Effect on sugar and ion partitioning. Phyton, 52 (1): 43-50, Vll.

16. Doaigey, A.R. and Harkiss, K.J. 1991 Application of epidermal characters to the taxonomy of European species of Antirrhinum L. (Scrophulariaceae). Nord J. Bot. 11(5) 513-524.

 17.  Doaigey, A. R. 1992 .Types and occurrence of trichomes in two species of the genus Lavandula (Lamiaceae).11: L.stricta Del. and  L. coronopifolia lam. Pak. J.Bot. 24(2):131 - 141. 

18. Doaigey, A.R and Al-Whaibi, M.H. 1995. Effect of GA3 and  2,4-D spray application on the morphology and anatomy of date palm root system . Bak. J. Bot. 27 (2) 385-397.