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 0.15269433333333335 0.0 0.458083 Root 2.6858466666666665 0.0 8.05754