condition mean min max Sterile Leaflet 3.2262866666666667 0.0 9.67886 Fertile Leaflet with Sori 0.47198333333333337 0.0 1.41595 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0