condition mean min max Sterile Leaflet 0.028227066666666665 0.0 0.0846812 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0164451 0.0 0.0493353 Root 4.622138333333333 0.0 13.766