[1]
S. Bouzid, A. Hirche, and B. Babali, “Calendula suffruticosa subsp. monardii (Asteraceae), a rare and endemic Algerian species: A re-evaluation of the range, conservation assessment and a revision of the morphological description”, Phytotaxa, vol. 759, no. 1, pp. 16–30, May 2026.