condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.13091033333333332 0.0 0.392731 Petiole 0.0 0.0 0.0 Crozier 2.27824 0.0 6.83472 Rhizome 0.0 0.0 0.0 Root 2.816946666666667 0.0 7.67508