condition mean min max Sterile Leaflet 1.356751 0.0 3.55379 Fertile Leaflet with Sori 0.5979126666666666 0.0 1.13425 Primary Rachis 2.70789 0.49369 5.42912 Petiole 0.151028 0.0 0.35181 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0