condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.46132 0.0 1.38396 Petiole 7.472553333333334 0.0 15.4892 Crozier 7.384689999999999 0.0 21.9641 Rhizome 5.6247333333333325 0.0 16.8742 Root 1.7980099999999999 0.0 5.39403