condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 16.219736666666666 2.51984 37.8557 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