condition mean min max Sterile Leaflet 1.0032502666666667 0.0759648 2.78121 Fertile Leaflet with Sori 2.2121399999999998 1.66461 2.68509 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.10503833333333333 0.0 0.315115 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0