condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.10066966666666667 0.0 0.302009 Crozier 0.0 0.0 0.0 Rhizome 0.21296 0.0 0.63888 Root 3.6180676666666667 0.283513 6.39551