condition mean min max Sterile Leaflet 0.132915 0.0 0.398745 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 3.685833333333333 0.0 11.0575