condition mean min max Sterile Leaflet 0.12111833333333333 0.0 0.232675 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 4.616633333333334 0.0 13.8499