Tutin (Boiss. & Reuter) 1967 - Heywood VH (2008) Flora Europaea Notulae Systematicae ad Floram Europaeam spectantes. Feddes Repertorium 74(1-2): 1-37. doi: 10.1002/fedr.19670740102.
There is no corrections for Rhamnus lycioides subsp. graeca yet.