condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.611620333333333 0.254575 13.0345 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.018984866666666666 0.0 0.0569546 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0192786 0.0 0.0578358