condition mean min max Sterile Leaflet 0.0125421 0.0 0.0376263 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.7607416333333333 0.0893529 1.33637 Root 17.047153333333334 2.70896 30.5283