condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 1.98271 0.0 5.94813 Primary Rachis 0.096728 0.0 0.290184 Secondary Rachis 0.3891 0.0 1.1673 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0