condition mean min max Sterile Leaflet 12.174743333333334 0.0 36.2776 Fertile Leaflet with Sori 0.9718 0.0 2.9154 Petiole 0.078428 0.0 0.235284 Crozier 0.270561 0.0 0.811683 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0