condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0102994 0.0 0.0308982 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 1.104679 0.102092 2.63633 Root 5.9956 1.25634 15.3226