condition mean min max Sterile Leaflet 0.279744 0.0 0.740376 Fertile Leaflet with Sori 5.498716333333333 0.829829 8.50033 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.474534 0.0 1.22107 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.04274666666666666 0.0 0.12824