World Register of Marine Species (WoRMS)
Arnica pedunculata f. monocephala (Rydb.) Cockerell
Compositae Working Group (CWG) (2026). Global Compositae Database. Arnica pedunculata f. monocephala (Rydb.) Cockerell. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1241269 on 2026-08-29