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 0.0067527333333333335 0.0 0.0202582 Root 7.787360666666666 0.083852 22.1889