| Medicinal plants of east Africa JO Kokwaro East African Literature Bureau, 1976 | 1338 | 1976 |
| Medicinal plants of east Africa JO Kokwaro University of Nairobi press, 2009 | 730 | 2009 |
| In Medicinal Plants of East Africa JO Kokwaro East African Literature Bureau 250, 1993 | 618 | 1993 |
| Herbal remedies of the Luo of Siaya District, Kenya: establishing quantitative criteria for consensus T Johns, JO Kokwaro, EK Kimanani Economic Botany, 369-381, 1990 | 410 | 1990 |
| Conservation status of the Kakamega Forest in Kenya J Kokwaro | 150 | 1988 |
| Ethnobotany of Apocynaceae species in Kenya EA Omino, JO Kokwaro Journal of ethnopharmacology 40 (3), 167-180, 1993 | 143 | 1993 |
| Anti-giardial activity of gastrointestinal remedies of the Luo of East Africa T Johns, GM Faubert, JO Kokwaro, RLA Mahunnah, EK Kimanani Journal of ethnopharmacology 46 (1), 17-23, 1995 | 118 | 1995 |
| Ethnomedicinal study of major species in the family Labiatae from Kenya CW Githinji, JO Kokwaro Journal of ethnopharmacology 39 (3), 197-203, 1993 | 108 | 1993 |
| Food plants of the Luo of Siaya district, Kenya T Johns, JO Kokwaro Economic botany, 103-113, 1991 | 99 | 1991 |
| IOPB chromosome number reports XXII PN Mehra Taxon 18, 433-442, 1969 | 99* | 1969 |
| The distribution and economic importance of the mangrove forests of Kenya JO Kokwaro | 72 | 1985 |
| Rutaceae. JO Kokwaro | 67* | 1982 |
| Luo biological dictionary JO Kokwaro, T Johns East African Publishers, 1998 | 63 | 1998 |
| Notes on the Anacardiaceae of eastern Africa JO Kokwaro, JB Gillett Kew Bulletin, 745-760, 1980 | 59 | 1980 |
| Indigenous snake bite remedies of the Luo of western Kenya BO Owuor, BA Mulemi, JO Kokwaro Journal of Ethnobiology 25 (1), 129-141, 2005 | 56 | 2005 |
| In vitro antiplasmodial activity of selected Luo and Kuria medicinal plants BO Owuor, JO Ochanda, JO Kokwaro, AC Cheruiyot, RA Yeda, CA Okudo, ... Journal of Ethnopharmacology 144 (3), 779-781, 2012 | 55 | 2012 |
| Chinese and African Euphorbiaceae plant extracts: markedly enhancing effect on Epstein-Barr virus-induced transformation F Mizuno, S Koizumi, T Osato, JO Kokwaro, Y Ito Cancer Letters 19 (2), 199-205, 1983 | 46 | 1983 |
| Medicinal plants of east Africa. Nairobi JO Kokwaro University of Nairobi Press, 2009 | 44 | 2009 |
| The afroalpine plant communities of Mt. Kenya (Kenya). H Rehder, E Beck, JO Kokwaro | 32 | 1988 |
| Luo-English botanical dictionary of plant names and uses. JO Kokwaro | 29* | 1972 |
