condition mean min max Sterile Leaflet 2.827554666666667 0.0 8.11832 Fertile Leaflet with Sori 1.1833866666666666 0.0 2.84816 Primary Rachis 0.094654 0.0 0.283962 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0