Ntore, S., Nkengurutse, J., de Backer, S., Sonké, B., De Block, P., Janssens, S. B., Verstraete, B., & Robbrecht, E. (2024). Calycosiphonia or Kupeantha (Coffeeae, Rubiaceae)? A morphological and molecular study of a new species from the Albertine Rift. European Journal of Taxonomy, 935(1), 1–28. https://doi.org/10.5852/ejt.2024.935.2539