condition mean min max Sterile Leaflet 0.113077 0.0 0.339231 Fertile Leaflet with Sori 3.3795633333333335 0.0 8.31605 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Root 0.0 0.0 0.0