condition mean min max Sterile Leaflet 0.7022816666666667 0.29975 1.16725 Fertile Leaflet with Sori 5.202543333333334 1.2797 7.36679 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.600614 0.0 4.49928 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.080114 0.0 0.240342