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 Secondary Rachis 0.048102 0.0 0.144306 Petiole 0.0273573 0.0 0.0820719 Crozier 0.0 0.0 0.0 Root 2.134318 0.20699 5.87817