condition mean min max Sterile Leaflet 2.99186 1.7307 4.8574 Fertile Leaflet with Sori 3.61904 2.53732 5.71697 Petiole 2.4753433333333335 1.6712 2.91017 Crozier 2.8311 1.62084 4.68096 Rhizome 1.3072153333333334 0.848466 2.03309 Root 2.0938 1.05898 3.87203