condition mean min max Sterile Leaflet 11.338280000000001 5.65814 15.8806 Fertile Leaflet with Sori 10.6416 2.4295 16.5583 Primary Rachis 7.430486666666667 4.04458 12.4053 Secondary Rachis 11.10533 4.92868 18.4803 Petiole 7.42335 4.47992 11.834 Crozier 7.44171 4.08299 12.5465 Root 13.080523333333334 5.91127 18.6424