condition mean min max Sterile Leaflet 0.5992456666666667 0.0 1.57388 Fertile Leaflet with Sori 2.66668 1.27138 3.77353 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.565962 0.229163 1.15149 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0