condition mean min max Sterile Leaflet 5.442933333333333 0.0 16.3288 Fertile Leaflet with Sori 0.27101179999999997 0.0 0.763867 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.051353 0.0 0.154059 Crozier 0.030632200000000002 0.0 0.0476052 Root 0.0 0.0 0.0