- Photo taken Locality: Greece, Crete, Heraklion
- Photo taken by: Trichas, A.
- Photo taken date: August 2009
Photo of Cretan Rock-lettuce, Petromarula pinnata. It is one of the four endemic genera of Greece. It is a monotypic genus endemic of Crete. As an obligatory chasmophyte, it grows almost exclusively, on cliff's crevices.