condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0096195 0.0 0.0288585 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0675026 0.0 0.104428 Root 10.853329 0.232247 29.422