condition mean min max Sterile Leaflet 3.1716433333333334 1.33043 6.7625 Fertile Leaflet with Sori 2.46762 1.24748 4.80938 Primary Rachis 2.039493333333333 1.04682 3.94418 Secondary Rachis 1.8125 1.09361 3.08747 Petiole 1.826962 0.683946 3.70574 Crozier 2.4206886666666665 0.953619 5.32883 Root 1.344079 0.694559 2.42012