condition mean min max Sterile Leaflet 5.147081333333333 0.0 15.0769 Fertile Leaflet with Sori 1.30373 0.0 3.56019 Primary Rachis 1.5144633333333333 0.0 4.54339 Petiole 0.19641 0.0 0.58923 Crozier 0.0 0.0 0.0 Rhizome 0.09116999999999999 0.0 0.27351 Root 0.0 0.0 0.0