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 0.016147566666666665 0.0 0.0484427 Root 2.4045166666666664 0.0 7.21355