condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.049631666666666664 0.0 0.148895 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 4.147176666666667 3.58871 4.4799 Root 0.75902 0.534729 0.943483