condition mean min max Sterile Leaflet 0.266884 0.166796 0.416316 Fertile Leaflet with Sori 0.1697017 0.0550271 0.32011 Primary Rachis 1.1318846666666667 0.737915 1.77922 Secondary Rachis 1.1413843333333333 0.365173 2.04244 Petiole 1.086304 0.645566 1.74132 Crozier 6.43334 6.06166 6.97462 Root 2.77048 2.43157 3.39347