condition mean min max Sterile Leaflet 0.08065533333333333 0.0 0.241966 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 4.3173 0.0 12.9519