condition mean min max Sterile Leaflet 6.027183333333333 5.12991 6.61213 Fertile Leaflet with Sori 5.33767 3.41801 7.55192 Petiole 6.53612 4.39482 8.4387 Crozier 5.6048 5.07378 6.35292 Rhizome 4.3462700000000005 2.88611 5.85227 Root 6.20842 5.12003 7.87725