condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.566585 0.0 1.27107 Primary Rachis 0.0 0.0 0.0 Petiole 0.261988 0.0 0.421131 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 6.4494679999999995 0.652054 16.3005