condition mean min max Sterile Leaflet 6.95419 3.81107 12.7022 Fertile Leaflet with Sori 3.9704366666666666 1.85241 7.32596 Primary Rachis 10.214716666666666 8.13945 13.0062 Secondary Rachis 10.56261 7.73723 12.0707 Petiole 9.61745 5.66695 11.9832 Crozier 5.13874 1.96632 7.53394 Root 5.21425 4.49583 5.85621