condition mean min max Sterile Leaflet 0.193887 0.0 0.401692 Fertile Leaflet with Sori 0.205771 0.0 0.617313 Primary Rachis 0.3113103333333333 0.0 0.933931 Petiole 2.6336939999999998 0.759232 5.79029 Root 0.068978 0.0 0.206934