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Roy E. GereauRoy E. Gereau
Assistant Curator
Director of Tanzania Botanical Research and Conservation Programme
Africa and Madagascar

office phone: + 1 (314) 577-9574
fax: + 1 (314) 577-9596

Missouri Botanical Garden
P.O. Box 299
St. Louis, MO 63166-0299

M.S., Michigan Technological University, 1978
B.S., Michigan Technological University, 1975
B.A., University of Iowa, 1969
Floristics and phytogeography of eastern Africa Plant conservation assessment in eastern Africa and in Africa generally Classification and identification of East African flowering plant genera Taxonomy and systematics of African Sapindaceae
For Gereau's complete CV with list of publications, click here (Adobe Acrobat Reader required).
Research Emphases Supervision of Tanzania Botanical Research and Conservation Programme Supervision of "Plant Conservation Assessment in the Eastern Arc Mountains and Coastal Forests of Tanzania and Kenya" Supervision of plant component of "Conserving Ecosystem Diversity and Livelihoods: Climate Change, Plant Biodiversity and Protected Areas in East AfricaCollaboration with Wildlife Conservation Society in "Identifying the Conservation Status of the Plants of the Southern Highlands of Tanzania" Completion of checklists for Lake Nyasa Climatic Region and Gombe National Park (Tanzania)
Selected Publications Gereau, R.E., N. Cumberlidge, C. Hemp, A. Hochkirch, T. Jones, M. Kariuki, C.N. Lange, S.P. Loader, P.K. Malonza, M. Menegon, P. Kariuki Ndang’ang’a, F. Rovero & P. Shirk. 2016. Globally threatened biodiversity of the Eastern Arc Mountains and Coastal Forests of Kenya and Tanzania. J. E. African Nat. Hist. 105 : 115-201. doi :10.2982/028.105.0104. Greve, M., A.M. Lykke, C.W. Fagg, R.E. Gereau, G.P. Lewis, R. Marchant, A.R. Marshall, J. Ndayishimiye, J. Bogaert & J.-C. Svenning. 2016. Realising the potential of herbarium records for conservation biology. S. Afr. J. Bot. 105: 317-323. Burgess, N.D., I. Malugu, P. Sumbi, A. Kashindye, A. Kijazi, K. Tabor, B. Mbilinyi, J. Kashaigili, T.M. Wright, R.E. Gereau, L. Coad, K. Knights, J. Carr, A. Ahrends & R.L. Newham. 2016. Two decades of change in state, pressure and conservation responses in the Coastal Forests Biodiversity Hotspot of Tanzania. Oryx. doi:10.1017/S003060531500099X. Kenfack, D., R.E. Gereau, D.W. Thomas & M.N. Sainge. 2015. The tropical African genus Crotonogynopsis (Euphorbiaceae), with two new species. Novon 24: 246-255. Moura, T.M., R.E. Gereau & G.P. Lewis. 2015. Mucuna mooneyi (Leguminosae: Papilionoideae), a new species from Ethiopia. Kew Bull. 70. DOI 10.1007/S12225-015-9581-X. Gereau, R.E., M. Kariuki, P.K. Ndang’ang’a, C. Werema & P. Muoria. 2014. Biodiversity status and trends in the Eastern Arc Mountains and Coastal Forests of Kenya and Tanzania Region, 2008-2013. BirdLife International - Africa Partnership Secretariat, Naorobi. Hall, J.M., N.D. Burgess, S. Rantala, H. Vihemäki, R.E. Gereau, G. Jambiya, F. Makonda, F. Njilima, P. Sumbi & A. Kijazi. 2014. Ecological and social outcomes of a new protected area in Tanzania. Conservation Biol. 28: 1512-1521. DOI: 10.1111/cobi.12335. Gereau, R.E., N.D. Burgess, J. Fjeldså, J. Hall, A. Hemp, A.S. Jump, A.R. Kajuni, R.A. Marchant, A.R. Marshall, P.J. Platts, C.M. Taylor & F.I. Tibazarwa. 2013. Phylogenetic patterns of extinction risk: the need for critical application of appropriate datasets. PeerJ PrePrints 1:e55v1, 2013. Goldblatt, P., J.C. Manning & R.E. Gereau. 2013. The Cape genus Micranthus (Pers.) Eckl. (Iridaceae: Crocoideae): nomenclature and taxonomy. Bothalia 43: 127-144. Tibazarwa, F.I. & R.E. Gereau. 2013. Shades of green: conservation in the developing environment of Tanzania. Pp. 59-64 in N.S. Sodhi, L. Gibson & P.H. Raven, Conservation Biology: Voices from the Tropics. John Wiley & Sons, Ltd. Platts, P.J., N. D. Burgess, R.E. Gereau & R. Marchant. 2013. Spatial heterogeneity of climate change in an Afromontane centre of endemism. Ecography 36: 518-530. Marshall, A.R., P.J. Platts, R.E. Gereau, W. Kindeketa, S. Kang’ethe & R. Marchant. 2012. The genus Acacia (Fabaceae) in East Africa: distribution, biodiversity and the protected area network. Pl. Ecol. Evol. 145: 289-301. Gereau, R.E., A. R. Kajuni, T. R. B. Davenport & H. J. Ndangalasi. 2012. Lake Nyasa Climatic Region floristic checklist. Monogr. Syst. Bot. Missouri Bot. Gard. 122: i-v, 1-118. Platts, P.J., N.D. Burgess, R.E. Gereau, J.C. Lovett, A.R. Marshall, C.J. McClean, P.K.E. Pellikka, R.D. Swetnam & R. Marchant. 2011. Delimiting tropical mountain ecoregions for conservation. Environm. Conservation 38: 312-324. Ahrends, A., N.D. Burgess, R. Marchant, M.T. Bulling, R.E. Gereau, J.C. Lovett, P.J. Platts, V. Wilkins Kindemba, N. Owen, E. Fanning & C. Rahbek. 2011. Funding begets biodiversity. Diversity & Distrib. 17: 191-200. Callmander, M.W., P.B. Phillipson, R.E. Gereau, G. Aymonin & A. Sultan. 2010. The genus Korthalsella (Santalaceae) in Madagascar. Candollea 65: 368-371. 2010. Platts, P.J., A. Ahrends, C.J. McClean, J.C. Lovett, R.E. Gereau, A.R. Marshall, P.K.E. Pellikka, E. Fanning & R. Marchant. 2010. Can distribution models help refine inventory-based estimates of conservation priority? A case study in the Eastern Arc forests of Tanzania and Kenya. Diversity & Distrib. 16: 628-642. Dawson, S.E. & R.E. Gereau. 2010. New species of Aidia and Polysphaeria (Rubiaceae) from East Africa. Novon 20: 256-264. Gereau, R.E., W.R.Q. Luke, W. Kindeketa, S. Bodine & G.E. Schatz. 2009. Plant conservation assessment in East Africa: procedures and first results. Pp. 469-473 in: X. van der Burgt, J. van der Maesen & J.-M. Onana (eds.), Systematics and Conservation of African Plants. Proceedings of the 18th AETFAT Congress, Yaoundé, Cameroon. Royal Botanic Gardens, Kew. 2009. Hall, J., N. Burgess, J. Lovett, B. Mbilinyi & R.E. Gereau. 2009. Conservation implications of deforestation across an elevational gradient in the Eastern Arc Mountains, Tanzania. Biol. Cons. 142: 2510-2521. Lovett, J.C., C.K. Ruffo, R.E. Gereau & J. D. Taplin. 2006. Field Guide to the Moist Forest Trees of Tanzania. Critical Ecosystem Partnership Fund, Centre for Ecology, Law, & Policy & Frontier-Tanzania. Couvreur, T.L.P., R.E. Gereau, J.J. Wiersema & J.E. Richardson 2006. Description of four new species of Monodora and Isolona (Annonaceae) from Tanzania and an overview of Tanzanian Annonaceae diversity. Adansonia, sér. 3, 28: 243-266. R.E. Gereau, C.M. Taylor & W.R.Q. Luke. 2006. Endemic plant species of the Eastern Arc Mountains of Kenya and Tanzania: analysis and refinement of distributional patterns. Pp. 267-277 in: S. A. Ghazanfar & H. J. Beentje (eds.), Taxonomy and Ecology of African Plants, their Conservation and Sustainable Use. Proceedings of the 17th AETFAT Congress, Addis Ababa, Ethiopia. Royal Botanic Gardens, Kew. Gereau, R.E. & S. Bodine. 2005. Crotalaria mwangulangoi (Fabaceae, Faboideae), a new species from the Udzungwa Mountains, Tanzania. Novon 15: 286-289. Lantz, H. & R.E. Gereau. 2005. A new species of Rytigynia (Rubiaceae, Vanguerieae) from northeastern Tanzania, with notes on the circumscription of the genus. Novon 15: 315-318. Taylor, C.M., R.E. Gereau & G.M. Walters. 2005. Revision of Ancistrocladus Wall. (Ancistrocladaceae). Ann. Missouri Bot. Gard. 92: 360-399. Kenfack, D., G. Gosline, R. E. Gereau & G. E. Schatz. 2003. The genus Uvariopsis (Annonaceae) in tropical Africa, with a recombination and one new species from Cameroon. Novon 13: 443-449. Gereau, R. E. & G. M. Walters. 2003. Chamaecrista mwangokae (Fabaceae, Caesalpinioideae), a new species from the Southern Highlands of Tanzania. Novon 13: 438-442. Goldblatt, P., J. C. Manning & R. E. Gereau. 2002. Nomenclatural Clarifications in Aristea Sect. Racemosae (Iridaceae) in the Cape Flora of South Africa. Novon 12: 190-195. Gereau, R. E. 2001. New names in African Celastraceae and Rutaceae. Novon 11: 43-44. Gereau, R. E. 2001. Aizoaceae, Aloaceae, Basellaceae, Bataceae, Chenopodiaceae, Liliaceae, Molluginaceae, Portulacaceae. In: W. D. Stevens, C. Ulloa Ulloa, A. Pool & O. M. Montiel (eds.), Flora de Nicaragua. Monogr. Syst. Bot. Missouri Bot. Gard. 85: 48-49, 56, 395-397, 603-604, 1219-1228, 1507-1508, 2180-2183. Gereau, R. E. & D. Kenfack. 2000. Le genre Uvariopsis (Annonaceae) en Afrique tropicale, avec une espèce nouvelle du Cameroun. Adansonia, sér. 3, 22: 39-43. Gereau, R. E. 1999. Agavaceae, Alliaceae, Anthericaceae, Asparagaceae, Asphodelaceae, Asteliaceae, Dracaenaceae, Melanthiaceae, Phormiaceae. In: P. M. Jørgensen & S. Léon-Yánez (eds.), Catalogue of the Vascular Plants of Ecuador, Monogr. Syst. Bot. Missouri Bot. Gard. 75: 200, 202, 216-217, 260, 440, 561, 784. Schatz, G. E., P. P. Lowry II & R. E. Gereau. 1999. A revision of the Malagasy endemic genus Chouxia Capuron (Sapindaceae). Adansonia, sér. 3, 21: 51-62. Gereau, R. E. 1998. A new combination in Tarenna (Rubiaceae) from Central Africa. Novon 8: 140. 1998. Gereau, R. E. & P. Vorster. 1998. Encephalartos ituriensis (Zamiaceae): an emended description. Adansonia, sér. 3: 20: 211-216. Gereau, R. E. 1997. Typification of names in Ancistrocladus Wall. (Ancistrocladaceae). Novon 7: 242-245. Lovett, J. C., R. E. Gereau & K. J. Sidwell. 1994. Vegetation and phytogeography of the Kitulo Plateau, southern Tanzania. Pp. 1025-1041 in: J. H. Seyani & A. C. Chikuni (eds.), Proceedings of the XIIIth Plenary Meeting of AETFAT, Zomba, Malawi, 2-11 April 1991. National Herbarium and Botanic Gardens of Malawi, Zomba.