condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.84072 1.96929 3.57757 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.07184833333333333 0.0 0.215545 Root 1.3094306666666666 0.0 2.96457