Cross-section of the habitat of the Monte Pellegrino road system: 1) retaining wall (a – base plinth; b – sloping face; c – vertical face); 2) downhill-side road margin (masonry guardwalls or parapets); 3) uphill-side road margin; 4) rock cut slopes, 5) natural slope.

  Part of: Gianguzzi L, Bazan G (2020) The vegetation of a historic road system in the suburban area of Monte Pellegrino (Palermo, Sicily). Plant Sociology 57(2): 71-103.