condition mean min max Sterile Leaflet 0.739368 0.0 1.46896 Fertile Leaflet with Sori 1.60121 1.39729 1.70706 Petiole 0.7952199999999999 0.0 1.19959 Crozier 1.045536 0.0 2.71645 Rhizome 1.955642 0.319816 5.19148 Root 0.331838 0.0 0.995514