condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 25.138833333333334 21.8102 30.2633 Primary Rachis 0.04815266666666667 0.0 0.144458 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.041899 0.0 0.125697