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 0.0 0.0 0.0 Crozier 0.131373 0.0 0.394119 Rhizome 0.225985 0.0 0.677955 Root 6.73611 1.49832 14.3264