condition mean min max Sterile Leaflet 1.2211 0.0 2.60149 Fertile Leaflet with Sori 2.6203866666666666 1.06021 4.67629 Primary Rachis 1.049982 0.345188 2.44161 Secondary Rachis 1.1411796666666667 0.866454 1.58244 Petiole 0.571147 0.0 0.949232 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0