condition mean min max Sterile Leaflet 0.037107 0.0 0.111321 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 3.268193333333333 0.0 9.80458