condition mean min max Sterile Leaflet 0.042947000000000006 0.0 0.128841 Fertile Leaflet with Sori 2.6931366666666667 0.0 4.48703 Primary Rachis 0.062706 0.0 0.188118 Secondary Rachis 0.344617 0.132435 0.658838 Petiole 0.0 0.0 0.0 Crozier 0.049451 0.0 0.148353 Root 0.0 0.0 0.0