Gonçalves AC, Ouhammoud A, Amirouche R, Santos C, Figueiredo E, Silveira P.

A taxonomic revision of Calendula (Asteraceae) in Morocco, including some taxa from Algeria and Tunisia

. Phytotaxa [Internet]. 2023 Jul. 24 [cited 2025 Apr. 8];605(1):1-83. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.605.1.1