condition mean min max Sterile Leaflet 2.3560833333333333 0.0 7.06825 Fertile Leaflet with Sori 0.38585 0.0 1.15755 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 73.52903333333333 54.5296 86.701 Rhizome 4.740668 0.0 13.3305 Root 0.0 0.0 0.0