condition mean min max Sterile Leaflet 1.6733256666666667 0.317047 2.96793 Fertile Leaflet with Sori 2.17555 1.79613 2.71482 Petiole 0.994981 0.742243 1.47687 Crozier 1.0221689999999999 0.324769 2.1094 Rhizome 3.064523 0.405789 5.45121 Root 1.423603 0.0 3.67592