condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.251425 0.0 0.754275 Primary Rachis 0.51167 0.0 1.53501 Petiole 0.0 0.0 0.0 Root 4.965836666666666 1.11003 12.2008