condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 2.2635973333333332 0.790622 3.54037 Rhizome 3.5407933333333332 1.50757 6.92161 Root 0.0 0.0 0.0