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 0.504317 0.0 1.18887 Rhizome 0.5819133333333333 0.0 1.16496 Root 20.563433333333332 2.37158 56.0019