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 0.041134333333333335 0.0 0.123403 Root 7.8028070666666665 0.0766212 20.965