Morales, Juan Francisco. “New Species and Combinations of Apocynaceae, Bignoniaceae, Clethraceae, and Cunoniaceae from the Neotropics”. Anales del Jardín Botánico de Madrid 75, no. 2 (December 30, 2018): e071. Accessed October 1, 2022. https://rjb.revistas.csic.es/index.php/rjb/article/view/484.