MUCHHALA, N.; MASHBURN, B. Three New Species of Burmeistera (Campanulaceae) Endemic to Ecuador. Phytotaxa, Auckland, New Zealand, v. 490, n. 3, p. 253–262, 2021. DOI: 10.11646/phytotaxa.490.3.3. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.490.3.3. Acesso em: 21 dec. 2025.