condition mean min max Sterile Leaflet 3.0769070000000003 0.0 8.88183 Fertile Leaflet with Sori 0.325416 0.160591 0.481436 Primary Rachis 0.04207333333333333 0.0 0.12622 Petiole 0.100204 0.0 0.151965 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.074026 0.0 0.222078