GONÇALVES, A. C.; CASTRO, S.; PAIVA, J.; SANTOS, C.; SILVEIRA, P.

Taxonomic revision of the genus Calendula (Asteraceae) in the Iberian Peninsula and the Balearic Islands

. Phytotaxa, Auckland, New Zealand, v. 352, n. 1, p. 1–91, 2018. DOI: 10.11646/phytotaxa.352.1.1. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.352.1.1. Acesso em: 6 dec. 2025.