Jongkind, Carel Christiaan Hugo. “Description of Gaertnera Luteocarpa (Gentianales: Rubiaceae), With Two Subspecies, a New Forest Shrub Species from Liberia, Ivory Coast and Ghana”. European Journal of Taxonomy0, no. 126 (June 19, 2015). Accessed September 28, 2024. https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/247.