condition mean min max Sterile Leaflet 8.506129999999999 4.575 10.9683 Fertile Leaflet with Sori 14.25393 5.79079 23.5097 Primary Rachis 0.034312666666666665 0.0 0.102938 Petiole 0.040719 0.0 0.122157 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0