condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0071636 0.0 0.0214908 Petiole 0.0 0.0 0.0 Root 6.731156366666667 0.0 20.1718