grace

Position: Senior Lecturer
Department: Plant Science
Contact Address: P.O. Box 43844 , 00100 Kenyatta University , Nairobi
Google Scholar: ORCID ID: https://orcid.org/0000-0001-9490-8033
E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
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 Area of Specialization:

- Plant Taxonomy

  Research Interests:

- Classification of East African plants.

- Medicinal plants.

Publications

Referred Journals

  • Maina A., Gatheri G. and Maingi J. 2024. A Survey of Medicinal Plants Used in Kieni Forest, Kiambu County, Kenya.
  • Valentine A. Gatheri, G.W., Kamau J.W. and Morris M. 2020. Morphological and molecular characterization of cultivated yam ( Dioscorea species) in selected counties in Kenya. African Journal of Plant Sciences 14(7), 270-279.
  • Morogo, H,K., Muoria, P.K. and Gatheri, G.W. 2020. Human Use of Forest Trees and Its Impacts on Their Diversity and Abundance in Chemususu Forest, Baringo County, Kenya. ResearchJournal Of Ecology Vol. 7 No1 Feb 2020.
  • Kirika, P.M; Divakar, P.K; Bauruang, K; Leavitt, S.D; Crespo, A; Gatheri, G. W; Mugambi, G; Bennatti, M.N. and Lumbasch H.T. 2017. Molecular phylogenetic studies unmask overlooked diversity in the tropical lichenized fungal genus Bulbothrixs. l. (Pameliaceae, Ascomycota). Botanical Journal of the Linnean Society, 2017, 184, 387-399.
  • Kirika, P. M; Divakar, P.K; Crespo, A; Gatheri, G.W; Mugambi, G; Leavitt, S.D; Moncada, B. and Lumbusch H.T. 2016. Molecular data show that Hypotrachyna sorocheila (Parmeliaceae) is not monophyletic. The Bryologist, 119(2):172-180.
  • Kirika, P.M; Divakar, P.K; Crespo,A; Leavitt, S.D; Mugambi G; Gatheri G. W. and Lumbsch; H. T. 2016. Polyphyly of the genus Canoparmelia – uncovering incongruencies between phenotype- based classification and molecular phylogeny within lichenized Ascomycota (Parmeliaceae). Phytotaxa289(1) 1179-3155
  • Kirika, P.M; Divakar, P.K; Crespo, A; Mugambi, G; Oroko, E.A; Leavitt, S.D; Gatheri, G.W. and Lumbusch, H.T. 2016. Phylogenetic studies uncover a predominantly African lineage in a widely distributed lichen-forming fungal species. Mycokeys 14: 1-16.
  • Kirika, P.M; Divakar, P.K; Leavitt, S.D; Buaruang, K; Crespo, A; Mugambi, G; Gatheri, G.W. and Lumbusch H.T. 2017. The genus Relicinopsis is nested within Relicina (Parmeliaceae, Ascomycota). The Lichenologist 49(3): 189-197.
  • Kirika, P.M; Leavitt, S.D; Divakar, P.K;Crespo, A; Gatheri G W; Mugambi, G.andLumbsh, H.T. 2015 The monotypic genus Bulborrhizina belongs to Bulbothrix sensulato (Parmeliaceae, Ascomycota). The Bryologist, 118(2):164-169.
  • Opinde, H.R; Gatheri, G.W. and Nyamache; A.K. 2016. Antimicrobiol evaluation of crude methanolic leaf extracts from selected medicinal plants against Escherichia coli. J. Bacterial Parasitol. ISSN: 2155-9597.
  • Opinde, H. R; Gatheri, G W; Ogola, P.E; Arika, W. M; Wambani, J.R; Kebira, A.K. and Kamau, D.N. 2016. In vitro antifungal activity of leaf extracts from Aloe secundiflora, Bulbine frutescens, Vernonia lasiopus and Tagetes minuta against Candida albicans. Med Aromat Plants, ISSSN: 2167-0412MAP.
  • Opinde, H.R; Gatheri, G.W. and Nyamache A.K. 2016. Antimicrobial activity of crude leaf extracts from medicinal plants against Enterococcus faecalis. IJTCM 1 (2): 0001-0009.
  • Opinde, H.R; Nyamache, A.K. and Gatheri, G W. 2018. Antimicrobial activity, Qualitative phytochemical composition of crude leaf extracts from medicinal plants against selected entric bacterial pathogens, Candida albicans. Bioteknologi 15(1) 1-12.
  • Opinde, H. R;Ogola, P.E Arika, W.M; Wambani, J.R; Gatheri, G.W. and Nyamache A.K.2016. Combined Effect of crude leaf extracts of selected medicinal plants against selected pathogens and Candida albicans. J Antimicro 2:110.
  • Uleh, A.M. Newton, L.E; Mbugua, P.K. and Gatheri, G.W.2015.On the ancestry of the tetraploid shrubby Aloes in Kenya. Haseltonia 21:56-59.
  • Chelashaw, J.M. Kamau F.N. and Gatheri G.W. 2007. A Survey of Some Medicinal Sold in Nairobi. East Afr.J. Bot. 1(1: (46-63).
  • Gitonga, M.N., Gatheri, G.W., Cheruiyot, R., Gitonga, N.M. and Maingi, J.M.2010. Nodulation and Nitrogen Fixation in promiscuous and non-promiscuous soybean (Glycine max (L.) Merrill) varieties in Eastern Kenya.
  • Jacinta E, Okemo P., Gatheri G. and Kariuki S. 2010, Antibiotic resistance patterns of Escherichia coli isolated from HIV-sero positive adults at Mbagathi District Hospital, Nairobi, Kenya. J, Appl. Biosci.

Conference/Workshops/Seminar Papers

  • Gatheri, G.W. 2012. Riparian Vegetation Propagation for Improved Fisheries Productivity and Water Quality along River Nambale, Mbale District, Uganda. A paper presented in Fisheries and Aquaculture cluster workshop, Kisumu, November 2012.
  • Benson Mwangi, Grace Gatheri, Abel Shilla, Ntambi Baker, Monica A. Ombogo and Daniel Mugalu. 2010. Preliminary studies on fish species composition and feeding habits of two rivers, Rivers Kisian and Awach in the lake Victoria Basin, Kenya. VICRES Fisheries and Aquaculture Cluster Workshop, Mwanza Tanzania.
  • Mugalu Daniel, Benson Mwangi, Grace Gatheri, Abel Shilla and Ntambi Baker, 2010. Fish Market Survey in the Riverine communities within Lake Victoria Basin: A case of Awach Seme and Kisian Riverine communities in Central Nyanza Province, Kisumu-Kenya.
  • Abubaker Ntambi, Benson Mwangi, Abel Shilla, Grace Gatheri and Dan Mugalu, 2010. Socio-Economic Condition of Riverine Communities around Rivers Awach and Kisian in Kisumu District, Kenya: Implications for Riverine Fisheries Management.
  • Gatheri G.W. 2010. Improving community livelihoods through management and sustainable utilization of riparian vegetation in the Lake Victoria Region. AWSE conferernce, Nairobi, Kenya.
  • Ngwiri, J.M., Mbugua, P.K. and Gatheri G. W. Quantitative variation within and among populations of Sanseviera parva N.E. Brown and S. Dooneri complex (Asparagaceae) in Proceedings, 1st National Biological Postgraduate Students Conference, 2nd-5th August, 2005
  • Kirika, P.M; Divakar, P.K; Bauruang, K; Leavitt, S.D; Crespo, A; Gatheri, G. W; Mugambi, G; Bennatti, M.N. and Lumbasch H.T. 2017. Molecular phylogenetic studies unmask overlooked diversity in the tropical lichenized fungal genus Bulbothrixs.l. (Pameliaceae, Ascomycota). Botanical Journal of the LinneanSociety, 2017, 184, 387-399
  • Kirika, P. M; Divakar, P.K; Crespo, A; Gatheri, G.W; Mugambi, G;Leavitt, S.D;Moncada, B. and Lumbusch H.T. 2016. Molecular data show that Hypotrachynasorocheila( Parmeliaceae) is not monophyletic.The Bryologist, 119(2):172-180.
  • Kirika, P.M; Divakar, P.K; Crespo,A; Leavitt, S.D; Mugambi G; Gatheri G. W. and Lumbsch; H. T. 2016. Polyphyly of the genus Canoparmelia – uncovering incongruencies between phenotype- based classification and molecular phylogeny within lichenized Ascomycota (Parmeliaceae). Phytotaxa289(1) 1179-3155
  • Kirika, P.M; Divakar, P.K; Crespo, A; Mugambi, G;Oroko, E.A; Leavitt, S.D; Gatheri, G.W. and Lumbusch, H.T. 2016. Phylogenetic studies uncover a predominantly African lineage in a widely distributed lichen-forming fungal species. Mycokeys 14: 1-16.
  • Kirika, P.M; Divakar, P.K; Leavitt, S.D; Buaruang, K; Crespo , A; Mugambi, G; Gatheri, G.W. and Lumbusch H.T. 2017. The genus Relicinopsis is nested within Relicina (Parmeliaceae, Ascomycota). The Lichenologist 49(3): 189-197.
  • Kirika, P.M; Leavitt, S.D; Divakar, P.K;Crespo, A; Gatheri G W; Mugambi, G.andLumbsh, H.T. 2015 The monotypic genus Bulborrhizina belongs to Bulbothrixsensulato (Parmeliaceae, Ascomycota). The Bryologist, 118(2):164-169.
  • Opinde,H.R; Gatheri, G.W. and Nyamache; A.K. 2016. Antimicrobiol evaluation of crude methanolic leaf extracts from selected medicinal plants against Escherichia coli. J. Bacterial Parasitol. ISSN:2155-9597.
  • Opinde, H. R; Gatheri, G W; Ogola, P.E; Arika, W. M; Wambani, J.R; Kebira, A.K. and Kamau, D.N. 2016. In vitro antifungal activity of leaf extracts from Aloe secundiflora, Bulbinefrutescens, Vernonialasiopus and Tagetesminuta against Candida albicans. Med Aromat Plants, ISSSN:2167-0412MAP
  • Opinde, H.R; Gatheri, G.W. and Nyamache A.K. 2016. Antimicrobial activity of crude leaf extracts from medicinal plants against Enterococcus faecalis. IJTCM 1 (2): 0001-0009
  • Opinde, H.R; Nyamache, A.K. and Gatheri, G W. 2018. Antimicrobial activity, Qualitative phytochemical composition of crude leaf extracts from medicinal plants against selected entric bacterial pathogens, Candida albicans. Bioteknologi 15(1) 1-12.
  • Opinde, H. R;Ogola, P.E Arika, W.M; Wambani, J.R; Gatheri, G.W. and Nyamache A.K.2016. Combined Effect of crude leaf extracts of selected medicinal plants against selected pathogens and Candida albicans. J Antimicro 2:110
  • Uleh, A.M. Newton, L.E; Mbugua, P.K.and Gatheri, G.W.2015.On the ancestryof the tetraploid shrubby Aloes in Kenya. Haseltonia 21:56-59
  • Chelashaw, J.M. Kamau F.N. and Gatheri G.W. 2007. A Survey of Some Medicinal Sold in Nairobi. East Afr.J. Bot. 1(1: (46-63).
  • Gitonga,M.N., Gatheri, G.W., Cheruiyot, R., Gitonga, N.M. and Maingi, J.M.2010. Nodulation and Nitrogen Fixation in promiscuous and non-promiscuous soybean (Glycine max (L.) Merrill) varieties in Eastern Kenya.
  • Jacinta Emacar, Okemo P.,Gatheri G. and Kariuki S. 2010, Antibiotic resistance patterns of Escherichia coli isolated from HIV-sero positive adults at Mbagathi District Hospital, Nairobi, Kenya. J,Appl. Biosci.

Workshops Attended

  •  22nd February 2019. Training of trainer’s workshop for staff mentors and growing leaders’ facilitators held at Kenyatta University. 
  •  22-24th May 2017. Post AETFAT Congress Phylogenetic Training Course held at University of Nairobi. 
  •  February and May 2016. The use of SPSS in data analysis held at Kenyatta University.
  •  26-27th July 2016. Chemical Security and Safety Training facilitated by Civilian Research and Development Foundation (CRDF) held at Kenyatta University School of public health. 
  • 14th November 2015. The 5th symposium of the Society for Economic Botany Kenya Chapter (SEB-K) held at Kenyatta University.
  • 11th-12th November 2014. External peer reviewers training held at Kenya school of Monetary Studies. (Commission for University Education).
  • 28th May-14th November 2013. Teaching methodology held at Kenyatta University.
  • 12th-15th December 2010 VICRES Fisheries and Aquaculture cluster workshop, Mwanza,Tanzania.
  • 31st August, 2010. Kenyatta University Capacity Building Seminar for Staff Mentors.
  • 18th-20th August 2010: A decade into the 21st century: The Contribution of African Women Scientists and Engineers. Nairobi, Kenya.
  • 10th-14th August 2010. 1st East African Regional Scientific Conference of Pure and Applied Sciences. Kenyatta University, Nairobi, Kenya.
  • 5th-8th July, 2009. VICRES Aquaculture cluster meeting, Arusha, Tanzania
  • 30-31st November 2008. VICRES Lead Scientist Meeting, Entebbe, Uganda
  • 16th-22nd March 2008. VICRES Proposal Writing Workshop Jinja Uganda
  • 29th July, 2008. Training on Curriculum Vitae Writing Skills and Interviews
  • 2008. Mainstreaming of HIV and AIDS in the University Curriculum
  • 6th-7th November, 2008. Relevance of Intellectual Property Rights to Institutions of Higher Learning, Kenyatta University.
  • 10th-13th August 2008 Effective Project Planning and Evaluation in Health Research. Trypanosomiasis Research Centre -KARI.
  • 2005: 1st National Biological Postgraduate Students Conference, Kenyatta University
  • 2004: National Postgraduate Zoological Conference, Kenyatta University
  • 2002: Prota Workshop. World Agroforestry Center, ICRAF, Nairobi
  • 1994: Biotechnology Platform, the way forward since Beijing, Nairobi University
  • 1993: Mapping strategies for the Kenya Association of Women Scientists and Engineers at ICIPE, Kenya.
  • 1991: Advances in Labiatae Science, Kew, England
  • 1984: Planning Fuel wood Projects, Lilongwe, Malawi.