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). Codium geppiorum O.C.Schmidt, 1923. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=211735 on 2026-08-04
Schmidt, O. C. (1923). Beiträge zur Kenntnis der Gattung Codium Stackh. Bibliotheca Botanica, 23(91): [iv], 1- 68, 44 figs.
Gepp, A. & Gepp, E. S. (1911). The Codiaceae of the Siboga Expedition including a monograph of Flabellarieae and Udoteae Siboga. Expeditie Monographie. LXII. pp. 1-150.