Mannetje, L.T.2015-09-282015-09-2819660Mannetje, L. T. (1966). A Punched Card Key to Species of Trifolium L. in Africa South of the Sahara Excluding Ethiopia. East African Agricultural and Forestry Journal, 31(3), 261–270. https://doi.org/10.1080/00128325.1966.116620520070-8038http://kalroerepository.kalro.org/handle/0/13544This paper provides the necessary information to make a punched card key for the tidentificaltion of indigenous Trifolium species of the Cameroons, Angola, South Africa, Malawi, Tanganyika, Congo, Uganda, Kenya, and the Southern Sudan, with a short description of each taxon. The key should prove useful to both field workers and herbarium botanists.enhttp://creativecommons.org/licenses/by/3.0/A Punched Card Key to Species of Trifolium L. In Africa South Of the Sahara Excluding EthiopiaJournal ContributionSpeciesSortingAfrica South of SaharaFlowers