condition mean min max Sterile Leaflet 0.03624633333333333 0.0 0.0562821 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 4.959722666666666 0.0 14.0307