condition mean min max Sterile Leaflet 4.8418 0.0 14.5254 Fertile Leaflet with Sori 0.170762 0.0 0.512286 Primary Rachis 0.28846066666666664 0.0 0.865382 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