condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.132855 0.0 0.398565 Petiole 0.0 0.0 0.0 Root 18.553146666666667 0.0 48.8428