condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.8984833333333333 0.0 1.43814 Petiole 2.96769 0.0 6.23364 Crozier 0.5969733333333334 0.0 1.79092 Rhizome 1.9067560000000001 0.0 4.791 Root 3.17349 0.0 6.30778