1. Nwokocha, B.A., I.O. Agbagwa and B.E. Okoli, 2011. Numerical Analysis based on structural and chemical characters of Jatropha L. species (Euphorbiaceae) in parts of the Niger Delta. Proceedings of the 11th Conference of the Nigerian Society of Experimental Biology, March 28-31, 2011, Lagos, Nigeria -.
2. Nwokocha, A. Blessing, I.O. Agabagwa and B.E. Okoli, 2011. Comparative phytochemical screening of Jatropha L. species in the Niger Delta. Res. J. Phytochem., 5: 107-114.
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3. Agbagwa, I.O., 2011. Karyotype analysis on two Abrus adanson (Papilionaceae) species in Nigeria. Int. J. Bot., 7: 118-121.
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4. Agbagwa, I.O. and C. Ekeke, 2011. Structure and phytodiversity of freshwater swamp forest in oil-rich bonny, Rivers State, Nigeria. Res. J. Forest., 5: 66-77.
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5. Agbagwa, I.O. and E.G. Akpokodje, 2010. Canalization and oil pipeline right-of-way construction: A source of saltwater intrusion and freshwater swamp forest biodiversity depletion in the Niger delta. Sci. Afr., 9: 221-231.
6. Agbagwa, I.O., 2009. Transport in Plants. In: Basic Biology, Aatga, A.E. and G.C. Obute (Eds.). Pearl Publishers, Port Harcourt, Nigeria, pp: 156-162.
7. Agbagwa, I.O., 2009. Classification and Diversity of Organisms. In: Basic Biology, Aatga, A.E. and G.C. Obute (Eds.). Pearl Publishers, Port Harcourt, Nigeria, pp: 6-10.
8. Agbagwa, I.O., 2008. Impact of the construction of access roads to oil well locations and flowstations on the phytodiversity of some Niger delta floodplains. J. Applied Sci. Res., 4: 1876-1884.
9. Agbagwa, I.O., 2008. Global Environmental Problems. In: Introduction to History and Philosophy of Science, Hart, A.I. (Ed.). Paragraphics Ltd., Port Harcourt, Nigeria, pp: 68-93.
10. Agbagwa, I.O., B.E. Okoli and N.B. Chinyem, 2007. Comparative anatomy of Abrus adanson species in parts of tropical West Africa. Asian J. Plant Sci., 6: 732-740.
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11. Agbagwa, I.O., B.C. Ndukwu and S.I. Mensah, 2007. Floral biology, breeding system and pollination ecology of Cucurbita moschata (Duch. ex Lam) Duch. ex Poir. varieties (Cucurbitaceae) from parts of the Niger Delta, Nigeria. Turk. J. Bot., 31: 451-458.
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12. Agbagwa, I.O., 2007. Evaluation of diagnostic vegetative and reproductive characters among Abrus species in Nigeria. Aust. J. Basic Applied Sci., 1: 841-852.
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13. Agbagwa, I.O. and G.C. Obute, 2007. Breeding system and pollination ecology of two Abrus species (Fabaceae) from tropical West Africa. Acta Botanica Croatica 66: 205-216.
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14. Agbagwa, I.O. and B.E. Okoli, 2007. Fruit epidermal features in the systematics of Abrus adanson (Papilionaceae) in parts of Tropical West Africa. J. Econ. Taxon. Bot., 31: 845-857.
15. Osuji, L.C., B.C. Ndukwu, G.C. Obute and I.O. Agbagwa, 2006. Impact of 4-dimensional seismic and production activities on the mangrove systems of Niger Delta, Nigeria. Chem. Ecol., 22: 415-424.
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16. Ndukwu, B.C. and I.O. Agbagwa, 2006. The value of leaf micromorphological characters in the taxonomic delimitation of Emilia cass. (Asteraceae) species. Global J. Pure Applied Sci., 12: 183-187.
17. Akpokodje, E.G. and I.O. Agbagwa, 2006. Environmental impacts of access canals and roads to oilfield facilities in the Niger Delta swamps. Proceedings of the International Conference on Infrastructure Development and the Environment, September 10-15, 2006, Abuja, Nigeria -.
18. Akpokodje, E.G. and I.O. Agbagwa, 2006. Canalization and landing jetty construction: A source of saltwater intrusion and freshwater swamp biodiversity depletion in the Niger Delta. Proceedings of the International Conference on Infrastructure Development and the Environment, September 10-15, 2006, Abuja, Nigeria -.
19. Agbagwa, I.O. and B.E. Okoli, 2006. Leaf epidermal micromorphology in the systematics of Abrus (Papilionaceae) in parts of tropical West Africa. Asian J. Plant Sci., 5: 41-49.
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20. Ebong, E.O., I.M. Ajaiyeoba, M.J. Ononiwu, D.O. Eteng and G.O. Akinboye et al., 2005. Contribution of indigenous health care givers to the herbal management of febrile illnesses in Rivers State, South-South, Nigeria West Afr. J. Pharmacol. Drug Res., 21: 48-54.
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21. Agbagwa, I.O. and B.E. Okoli, 2005. Chromosome number and cytomorphological characterization of a polyploid Abrus. Afr. J. Biotechnol., 4: 607-610.
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22. Agbagwa, I.O. and B.C. Ndukwu, 2005. Interspecific separation of Gnetum L. (Gnetaceae) based on macro and micro morphological features. Global J. Pure Applied Sci., 11: 23-29.
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23. Mensah, S.I. and I.O. Agbagwa, 2004. Breaking dormancy in Gmelina arborea Roxb. through treatment of seeds with chemical substances and alternating temperature. Bio-Research, 2: 59-66.
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24. Agbagwa, I.O. and B.C. Ndukwu, 2004. The value of morpho-anatomical features in the systematics of Cucurbita L. (Cucurbitaceae) species in Nigeria. Afr. J. Biotechnol., 3: 541-546.
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25. Agbagwa, I.O. and B.C. Ndukwu, 2004. Cucurbita L. species in Nigeria: Under-exploited food and vegetable crops. Nigera Delta Biol., 4: 11-15.
26. Agbagwa, I. and J. Onyia, 2004. The use of water hyacinth (Eichhornia crassipes) in the remediation of oil spill impacted sites in the Niger Delta. Proceedings of the DPR-HSE Biennial International Conference on Oil and Gas Industry in Nigeria, December 6-9, 2004, Port Harcourt, Nigeria -.
27. Agbagwa, I.O., F.A. Onofeghara and S.I. Mensah, 2003. Stimulation of growth and development of Celosia argentea L. by crude extracts of Sena alata (L.) Roxb. J. Applied Sci. Environ. Manage., 7: 9-13.
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28. Agbagwa, I.O., F.A. Onofeghara and L.A. Akonye, 2002. Effects of the basic and acidic leaf extracts of Senna alata (L.) Roxb. on the growth and flowering of Celosia argentea L. J. Agric. Biotechnol. Environ., 4: 6-10.
29. Agbagwa, I.O., 2002. Ecosystem degradation associated with the construction of access roads to oil well locations and flow stations in some Niger Delta floodplains. Proceedings of the DPR-HSE Biennial International Conference on Oil and Gas Industry in Nigeria, December 9-11, 2002, Abuja, Nigeria -.
30. Mensah, S.I. and I.O. Agbagwa, 2001. The responses of seeds of Capsicum frutescens L. to the exogenous application of some germination promoters. J. Agric. Biotechnol. Environ., 3: 37-47.
31. Agbagwa, I.O. and B.C. Ndukwu, 2001. Epidermal micromorphology of Cucurbita L. species in Nigeria. J. Applied Sci. Environ. Manage., 5: 59-64.