condition mean min max Sterile Leaflet 0.589541 0.0 0.938856 Fertile Leaflet with Sori 0.41595166666666666 0.152846 0.636885 Primary Rachis 0.09924899999999999 0.0 0.297747 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 4.971345333333333 0.233686 12.7783