condition mean min max Sterile Leaflet 0.071455 0.0 0.214365 Fertile Leaflet with Sori 4.6724499999999995 1.83264 6.87938 Primary Rachis 0.0 0.0 0.0 Petiole 0.12097166666666666 0.0 0.362915 Crozier 0.0 0.0 0.0 Rhizome 0.21065199999999998 0.0 0.631956 Root 0.0 0.0 0.0