condition mean min max Sterile Leaflet 0.116746 0.0 0.350238 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.09627266666666667 0.0 0.288818 Petiole 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 2.22794 1.38897 3.16595