condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.035854000000000004 0.0 0.107562 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 8.096 0.0 24.288 Root 2.7925501 0.0210203 7.17966