Boraginaceae: Cerinthe retorta. Nom. Messinias, ep. Kalamon: Between the villages of Kato and Pano Verga, 500-800 m. Rocky limestone slopes along a walking trail (old cobbled mule track). 2007-02-18.
Dimopoulos, P., Raus, Th., Bergmeier, E., Constantinidis, Th., Iatrou, G., Kokkini, S., Strid, A. & Tzanoudakis, D. 2013: Vascular plants of Greece: An annotated checklist. 31: p. 327