condition mean min max Sterile Leaflet 0.0132212 0.0 0.0396636 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Root 2.158603333333333 0.0 6.47581