condition mean min max Sterile Leaflet 1.7054923333333332 0.445077 2.60512 Fertile Leaflet with Sori 0.895687 0.122096 1.87415 Primary Rachis 7.39032 2.77834 13.0401 Secondary Rachis 5.61179 1.09845 11.1378 Petiole 1.56962 0.489899 3.31253 Crozier 2.716413333333333 1.74627 4.14983 Root 0.8974099999999999 0.655889 1.19694