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 0.3352583333333333 0.0 0.843859 Rhizome 0.365174 0.253625 0.554217 Root 2.4749576666666666 0.490723 4.37775