condition mean min max Sterile Leaflet 2.5935783333333333 0.440295 5.03656 Fertile Leaflet with Sori 3.85095 3.34056 4.24803 Petiole 3.51952 2.82043 4.23543 Rhizome 3.3717799999999998 2.63433 4.28073 Root 2.91942 2.72061 3.11043