condition mean min max Sterile Leaflet 14.292633333333333 0.0 42.8779 Fertile Leaflet with Sori 26.106203333333333 4.70621 43.6277 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.5359510000000001 0.20664 0.903491 Rhizome 0.0 0.0 0.0 Root 0.138913 0.0 0.210178