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 2.9218873333333333 0.964392 4.62942 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0