condition mean min max Sterile Leaflet 1.8433516666666665 0.344804 4.20764 Fertile Leaflet with Sori 8.31297 0.0 21.1483 Primary Rachis 4.046619333333333 0.248918 10.6265 Secondary Rachis 4.04914 2.43611 6.46292 Petiole 1.672962 0.0 4.29953 Crozier 0.760391 0.734661 0.804988 Root 2.179802 0.392628 5.28749