María Florencia Romero, Roberto Manuel Salas, Ana Maria Gonzalez: Taxonomic and Ecological Implications of Foliar Morphoanatomy in Cephalanthus (Naucleeae, Rubiaceae). In: Systematic Botany, Volume 44, Issue 2, Mai 2019, S. 378–397. doi:10.1600/036364419X15562052252207
María Florencia Romero, Roberto Manuel Salas, Ana Maria Gonzalez: Floral anatomy, embryology, seed, and fruit development in Cephalanthus (Naucleeae-Rubiaceae), with emphasis on C. glabratus. In: Protoplasma Mai 2021. doi:10.1007/s00709-021-01664-8
U. Manns, B. Bremer: Towards a better understanding of intertribal relationships and stable tribal delimitations within Cinchonoideae s.s. (Rubiaceae). In: Molecular Phylogenetics and Evolution, Volume 56, Issue 1, 2010, S. 21–39. doi:10.1016/j.ympev.2010.04.002
efloras.org
Tao Chen, Charlotte M. Taylor: In: Flora of China Editorial Committee: Wu Zheng-yi, Peter H. Raven, Deyuan Hong (Hrsg.): Flora of China. Volume 19: Cucurbitaceae through Valerianaceae, with Annonaceae and Berberidaceae. Science Press und Missouri Botanical Garden Press, Beijing und St. Louis 2011, ISBN 978-1-935641-04-9. Cephalanthus Linnaeus., S. 86 - textgleich online wie gedrucktes Werk.
google.nl
books.google.nl
U. Quattrocchi: CRC World Dictionary of Plant Names. Band1. CRC Press, Boca Raton, New York, Washington DC, London 2000, ISBN 978-0-8493-2675-2, S.476 (google.nl).
kew.org
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Cephalanthus. In: POWO = Plants of the World Online von Board of Trustees of the Royal Botanic Gardens, Kew: Kew Science, abgerufen am 20. August 2019..
malawiflora.com
Mark Hyde, Bart Wursten, Petra Ballings, Meg Coates Palgrave: Flora of Malawi: Datenblatt Cephalanthus.
mozambiqueflora.com
Mark Hyde, Bart Wursten, Petra Ballings, Meg Coates Palgrave: Flora of Mozambique: Datenblatt Cephalanthus.
tropicos.org
Cephalanthus bei Tropicos.org. Missouri Botanical Garden, St. Louis, abgerufen am 20. August 2019.
zimbabweflora.co.zw
Mark Hyde, Bart Wursten, Petra Ballings, Meg Coates Palgrave: Flora of Zimbabwe: Datenblatt Cephalanthus.
