condition mean min max Sterile Leaflet 0.442638 0.0 0.868223 Fertile Leaflet with Sori 0.836379 0.0 1.67503 Primary Rachis 1.9719766666666665 1.43684 2.37269 Petiole 0.11808166666666665 0.0 0.354245 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0