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 0.09539633333333335 0.0 0.286189 Root 2.6804733333333335 0.0 8.04142