condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 29.879266666666666 0.0 89.6378 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0