condition mean min max Sterile Leaflet 5.55169 1.9271 10.0018 Fertile Leaflet with Sori 1.6208133333333332 0.0 2.62057 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.14852966666666667 0.0 0.445589 Root 0.0 0.0 0.0