1. Mensah, S.I., C. Ekeke and N.K. Ibeagi, 2020. Effect of gibberellic acid (GA3) and kinetin on seed germination of Sesbania sesban L. and Sesbania rostrata L. (fabaceae). Asian J. Agric. Hortic. Res., 5: 32-41.
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2. Mensah, S.I., C. Ekeke and M. Udom, 2020. Effect of salinity on the growth characteristics of Solanum aethiopicum L. (solanaceae). Asian Res. J. Agric., 12: 17-22.
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3. Ekeke, C., C.A. Ogazie and C.O. Nichodemus, 2020. Taxonomic study on lindernia all. (linderniaceae) from some parts of south eastern Nigeria. Notulae Sci. Biol., 12: 301-317.
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4. Ekeke, C. and C.A. Ogazie, 2020. Systematic significance of petiole anatomical characteristics in some members of Asteraceae from some parts of Nigeria. Singapore J. Sci. Res., 10: 387-399.
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5. Ekeke, C., G.C. Obute and C.A. Ogazie, 2019. HPLC Evaluation of Phenolic Compounds in Physalis angulata Linn. and Physalis micrantha Linn. (Solanaceae). Eur. J. Med. Plants, 10.9734/EJMP/2019/v29i230151.
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6. Ekeke, C., C.A. Ogazie and I.O. Agbagwa, 2019. Checklist of weeds in university of port harcourt and its environs. J. Appl. Sci. Environ. Manage., 10.4314/jasem.v23i4.2.
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7. Ekeke, , Chimezie, Ogazie and C. Alozie, 2019. Morphological description and culm anatomy in the identification of kyllinga rottb. (cyperaceae) from some parts of Nigeria. Int. J. Plant Soil Sci., 10.9734/ijpss/2018/v26i430049.
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8. Ekeke C., T.T. Manga and S.I. Mensah, 2019. Comparative phytochemical, morphological and anatomical studies of amaranthus hybridus l. and amaranthus spinosus l. (amaranthaceae). Research Journal of Medicinal Plants 13: 53-63.
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9. EKEKE C., C.A. OGAZIE and I.O. AGBAGWA, 2019. Anatomical and phytochemical studies on benincasa hispida (thunb.) cogn. (cucurbitaceae). Notulae Scientia Biologicae 11: 102-111.
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10. Ugiomoh, I.G. and C. Ekeke, 2018. Karyotype analysis in Machaerium lunatum (linn. f.) ducke. J. Appl. Sci. Environ. Manage., 10.4314/jasem.v21i7.24.
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11. Ekeke, C. and J.U. Agogbua, 2018. Morphological and Anatomical Studies on Trichosanthes cucumerina L. (Cucurbitaceae). Int. J. Plant Soil Sci., 10.9734/IJPSS/2018/44982.
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12. Chukwuma, C.C., M.O. Monanu, J.C. Ikewuchi and C. Ekeke, 2018. Variance in protease, dehydrogenase, phosphatase and respiratory activities during phytoremediation of crude oil polluted agricultural soil using Schwenkia americana L. and Spermacoce ocymoides Burm. f. Annu. Res. Rev. Biol., 28: 1-9.
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13. Chukwuma, C.C., J.C. Ikewuchi, C. Ekeke and M.O. Monanu, 2018. Phytoremediation of crude oil polluted agricultural soil using Schwenkia americana L. and Spermacoce ocymoides Burm. f. Int. J. Biochem. Res. Rev., 23: 1-12.
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14. Agbagwa, O.E. and C.Q. Onyebule, 2018. Microbial population of Staphyloccous aureus from inanimate surfaces in a general hospital environment in Rivers State, Nigeria. J. Applied Sci. Environ. Manage., 22: 124-128.
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15. Okonwu K., C. Ekeke and S. Mensah, 2017. Micromorphological and phytochemical studies on cleome rutidosperma linn. Journal of Advances in Biology & Biotechnology 11: 1-8.
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16. Nwafili, S.A., C. Ekeke and N.P. Ndakor, 2017. Field protocol for induction of triploidy in Clarias gariepinus. J. Aquat. Sci., 10.4314/jas.v31i2a.2.
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17. Ekeke, C., and I.O. Agbagwa, 2017. Survey of foliar trichomes in Combretum loelf. (Combretaceae) in parts of West Africa. JPS 10.5539/jps.v6n2p9.
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18. Ekeke, C., and C. Ogazie, 2017. Effect of bush fire on plant seedlings in the university of Port Harcourt biodiversity conservation center, Nigeria. J. Agric. Ecol. Res. Int., 10.9734/JAERI/2017/31647.
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19. Agogbua, J., and C. Ekeke, 2017. In vitro polyploidization of Zehneria capillacea (Shumach.) C. jeffrey using nodal explants. J. Adv. Biol. Biotechnol., 10.9734/JABB/2017/28686.
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20. Obute, G., C. Ekeke and U. Nwagwu, 2016. Assessing the genotoxic effects of aqueous leaf extract of neem (Azadirachta indica a. juss), cosmetics and alomo bitters (alcoholic drink) using allium test. Biotechnol. J. Int., 16: 1-13.
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21. Mensah, S.I. and C. Ekeke, 2016. Effects of different pretreatments and seed coat on dormancy and germination of seeds of senna Obtusifolia (L.) h.s. irwin & barneby (fabaceae). Int. J. Biol., 10.5539/ijb.v8n2p77.
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22. Ikechukwu, M. and E. Chimezie, 2016. Propagation of treculia Africana decne species through promotion of seed germination by some physical and chemical treatments. J. Agric. Ecol. Res. Int., 9: 1-11.
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23. G.C. Obute, C. Ekeke, D.C. Izuka 2016. Genotoxicity Assessment of Refined Petroleum Products and Popular Local Soft drink (Zobo) in Daily Use in Nigeria Res. J. Mutagen., 6: 22-30.
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24. Ekeke, C., G.C. Obute and N. Ogwu, 2016. Pollen morphology of some medicinal plants in Asteraceae form Nigeria. Int. J. Curr. Res. Aca. Rev., 4: 165-172.
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25. Chimezie, E. and O.A. Ikechukwu, 2016. Anatomical characteristics of Nigerian variants of Caladium bicolor (aiton) vent. (araceae). Afr. J. Plant Sci., 10: 121-129.
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26. Ocheku, E.B., C. Ekeke, P.O. Nwadiaro and S. Christopher, 2015. Phytochemical evaluation of leaves of some medicinal plants from parts of Niger Delta. IOSR J. Pharm. Biol. Sci., 10: 26-31.
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27. Josephine, A., E. Chimezie and E.O. Bosa, 2015. Morpho-anatomical characters of Zehneria capillacea (schumach) c. jeffrey and Zehneria scabra (l.f.) sond cucurbitaceae. Afr. J. Plant Sci., 9: 457-465.
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28. Ekeke, C., and I.O. Agbagwa, 2015. Breeding and pollination biology of Combretum constrictum (Benth) Laws. (Combretaceae). Tropical Plant Biol., 8: 51-59.
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29. Ekeke, C., J. Agogbua and B.E. Okoli, 2015. Comparative anatomy of tendril and fruit stalk in curcubitaceae juss. from Nigeria. Int. J. Bio. Chem. Sci., 10.4314/ijbcs.v9i4.13.
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30. Ekeke, C. and S.I. Mensah, 2015. Comparative anatomy of midrib and its significance in the taxonomy of the family Asteraceae from Nigeria. J. Plant Sci., 10: 200-205.
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31. Ekeke, C. and I.O. Agbagwa, 2015. Epidermal structures and stomatal ontogeny in Terminalia catappa L. (combretaceae). Int. J. Bot., 11: 1-9.
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32. Ekeke, C. and I.O. Agbagwa, 2015. Epidermal structure and stomatal ontogeny in Terminalia catappa L. (Combretaceae). Int. J. Bot. .
33. Ndukwu, B.C., C. Ekeke and J. Agogbua, 2014. Simple Molecular and Biochemical Techniques. In: Field Sampling and Laboratory Techniques in Biology, Ndukwu, B.C., G.O. Agu and A.A. Uwakwe (Eds.). Davidstones Global Resources Ltd., Port Harcourt, Nigeria, pp: 154 -173.
34. Ndukwu, B.C., B.E. Ochekwu and C. Ekeke, 2014. Major Biomes of the Earth and Nigeria Vegetation Zones. In: Biology: An Inquiry into the Diversity of Life on Earth, Ndukwu, B.C. and A.I. Hart (Eds.). Davidstones Global Resources Ltd., Port Harcourt, Nigeria, pp: 124-146.
35. Ndukwu, B.C., B.E. Ochekwu and C. Ekeke, 2014. Ecological Adaptations and Distribution of Organisms. In: Biology: An Inquiry into the Diversity of Life on Earth, Ndukwu, B.C. and A.I. Hart (Eds.). Davidstones Global Resources Ltd., Port Harcourt, Nigeria, pp: 80-102.
36. Ekeke, C., I.O. Agbagwa and B.E. Okoli, 2014. Numerical taxonomy of Combretum loefl. from Southeastern Nigeria. J. Plant Sci., 9: 25-31.
37. Ekeke, C. and I.O. Agbagwa, 2014. Ergastic substances (calcium oxalate crystals) in the leaf of Combretum loefl.(Combretaceae) Species in Nigeria. Am. J. Plant Sci., 5: 2389-2401.
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38. Agbagwa, I.O., C. Ekeke and B.C. Ndukwu, 2014. Cytological Techniques. In: Field Sampling and Laboratory Techniques in Biology, Ndukwu, B.C., G.O. Agu and A.A. Uwakwe (Eds.). Davidstones Global Resources Ltd., Port Harcourt, Nigeria, pp: 110-119.
39. Agbagwa, I.O., C. Ekeke and B.C. Ndukwu, 2014. Anatomical Techniques. In: Field Sampling and Laboratory Techniques in Biology, Ndukwu, B.C., G.O. Agu and A.A. Uwakwe (Eds.). Davidstones Global Resources Ltd., Port Harcourt, Nigeria, pp: 87-109.
40. Agbagwa, I.O. and C. Ekeke, 2014. Palynological Techniques. In: Field Sampling and Laboratory Techniques in Biology, Ndukwu, B.C., G.O. Agu and A.A. Uwakwe (Eds.). Davidstones Global Resources Ltd., Port Harcourt, Nigeria, pp: 144-153.
41. Ekeke, C., I.O. Agbagwa and B.E. Okoli, 2013. Numerical taxonomy of Combretum loefl. from southeastern Nigeria. J. Plant Sci., 9: 25-31.
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42. Ekeke, C., I.O. Agbagwa and B.E. Okoli, 2013. Mitotic studies on Combretum loefl. from Nigeria. Am. J. Plant Sci., 4: 508-511.
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43. Ekeke, C. and K. Okokwu, 2013. Comparative study on fertility status of soils of university of Port Harcourt, Nigeria. Res. J. Bot., 8: 24-30.
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44. Ekeke, C. and B.C. Ndukwu, 2013. Taxonomic values of secondary metabolites (Hydrocarbons and Flavonoids) in the genus Euphorbia L. from Niger Delta, Nigeria. Res. J. Bot., 9: 1-8.
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45. Agbagwa, I.O. and C. Ekeke, 2011. Structure and Phyto-diversity of fresh water swamp forest in Oil-rich Bonny, Rivers State, Nigeria. Res. J. For., 5: 66-77.
46. Nyananyo, B.L., C. Ekeke and I. Mensah, 2004. Morphological and phytochemical studies of water hyacinth, Eichhomia crassipes (Mart.) solms (Pontederiaceae). J. Creat. Scient. Stud., 2: 20-30.