condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 60.95175333333333 5.62466 129.914 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0