GOLDBLATT, Peter; MANNING, John C. Two new subspecies of Dietes (Iridaceae: Iridoideae), Dietes iridioides subsp. angolensis from Angola and Dietes bicolor subsp. armeniaca from eastern South Africa, with notes and range extensions for Dietes butcheriana and Dietes iridioides. African Biodiversity & Conservation, [S. l.], v. 45, n. 1, 2015. Disponível em: https://mail.abcjournal.org/index.php/abc/article/view/161. Acesso em: 2 may. 2026.