condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0687393 0.0 0.122152 Petiole 2.19921 0.0 6.59763 Root 7.197266666666667 0.0 21.5918