World Register of Marine Species (WoRMS)
Guiry, M.D. & Guiry, G.M. (2026). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry). Callophyllis hayamensis Yamada, 1941. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=372203 on 2026-08-03
Yamada, Y. (1941). Notes on some Japanese algae IX. Scientific Papers of the Institute of Algological Research, Faculty of Science, Hokkaido Imperial University. 2: 195-215, 15 figs, pls 40-48.