condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.373607333333333 0.0 12.9763 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.012205033333333332 0.0 0.0366151 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0916785 0.0 0.191726