condition mean min max Sterile Leaflet 4.255863333333333 3.8504 4.47964 Fertile Leaflet with Sori 4.184383333333334 3.76105 4.52747 Petiole 1.6192199999999999 1.29638 2.17914 Rhizome 3.38123 1.87948 5.0213 Root 1.02746 0.917819 1.22865