condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 6.262806666666667 1.28633 10.2513 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.26763 0.0 0.80289 Root 0.11571266666666667 0.0 0.347138