condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.014131166666666667 0.0 0.0423935 Rhizome 0.015709833333333333 0.0 0.0254205 Root 3.717372 0.148666 5.92676