condition mean min max Sterile Leaflet 0.158829 0.0 0.304624 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 10.106966666666667 0.0 30.3209