condition mean min max Sterile Leaflet 2.763969 0.896857 5.04604 Fertile Leaflet with Sori 1.8436494333333333 0.0282283 3.3869 Petiole 0.069761 0.0 0.209283 Crozier 18.516986666666668 6.18666 32.7143 Rhizome 0.3925879 0.0824167 0.861348 Root 0.0 0.0 0.0