condition mean min max Sterile Leaflet 0.0570937 0.0 0.110038 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.073543 0.0 0.220629 Petiole 0.0 0.0 0.0 Root 4.628133333333333 0.0 13.8844