condition mean min max Sterile Leaflet 0.099423 0.0 0.298269 Fertile Leaflet with Sori 52.27703999999999 0.0 147.14 Primary Rachis 0.36757 0.0 1.10271 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