condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.16484833333333335 0.0 0.494545 Root 2.2626136666666667 0.0 6.59242