condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.39625 0.0 1.18875 Root 9.009833333333333 0.0 27.0295