condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.25106033333333333 0.0 0.753181 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.29969066666666666 0.0 0.899072 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 7.934618 0.740564 14.019