Jongkind, Carel Christiaan Hugo. 2015. “Description of Gaertnera Luteocarpa (Gentianales: Rubiaceae), With Two Subspecies, a New Forest Shrub Species from Liberia, Ivory Coast and Ghana”. European Journal of Taxonomy, no. 126 (June). https://doi.org/10.5852/ejt.2015.126.