condition mean min max Sterile Leaflet 0.06978266666666667 0.0 0.107811 Fertile Leaflet with Sori 2.365954 0.910152 3.5356 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.11148333333333334 0.0 0.33445 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0