condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.91873 0.0 2.75619 Primary Rachis 0.0 0.0 0.0 Petiole 0.12252566666666666 0.0 0.367577 Crozier 0.11928699999999999 0.0 0.357861 Rhizome 2.5972066666666667 1.24511 4.40671 Root 3.34056 2.99664 3.73733