condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.6565043333333334 0.266764 1.0021 Petiole 0.58834 0.0 1.76502 Crozier 0.0 0.0 0.0 Rhizome 0.533162 0.196494 1.12602 Root 2.472849666666667 0.453149 5.88428