condition mean min max Sterile Leaflet 10.250449999999999 8.73035 11.2754 Fertile Leaflet with Sori 9.74733 8.38569 10.5838 Primary Rachis 27.2592 22.7041 31.7914 Petiole 32.8499 27.6597 36.3592 Crozier 10.32654 8.12779 13.8503 Rhizome 10.9134 4.1682 16.6412 Root 8.50419 6.7743 9.74258