condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 8.8366 4.53972 14.0539 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.042926 0.0 0.128778 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0