Bouzid, S., Hirche, A. and Babali, B. 2026. 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. 759, 1 (May 2026), 16–30. DOI:https://doi.org/10.11646/phytotaxa.759.1.2.