condition mean min max Sterile Leaflet 3.078317 0.0 8.46307 Fertile Leaflet with Sori 2.09289 0.0 3.97515 Primary Rachis 0.7109866666666668 0.0 2.13296 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.3538056666666667 0.0 0.7961