condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.35292433333333334 0.0 0.876854 Secondary Rachis 0.206475 0.0 0.619425 Petiole 0.0 0.0 0.0 Crozier 4.191683333333334 0.0 11.4872 Root 2.593753 0.0 7.55535