condition mean min max Sterile Leaflet 3.7970599999999997 0.0 11.097 Fertile Leaflet with Sori 0.7126465333333334 0.0 2.10889 Primary Rachis 0.07042346666666667 0.0 0.156446 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