condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.3288413333333335 0.143624 4.85032 Petiole 3.35431 0.0 5.08238 Crozier 1.575398 0.309878 3.73207 Rhizome 2.34217 0.0 4.49601 Root 1.4345686666666666 0.191606 2.38324