condition mean min max Sterile Leaflet 0.027052966666666668 0.0 0.0811589 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 4.5404393333333335 0.0 13.5124