condition mean min max Sterile Leaflet 0.054210666666666664 0.0 0.112276 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 3.447212466666667 0.0 10.2818