condition mean min max Sterile Leaflet 0.376822 0.154748 0.68119 Fertile Leaflet with Sori 3.8941733333333333 1.89182 7.84385 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.352439 0.0 0.588219 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.39764 0.0 1.19292