condition mean min max Sterile Leaflet 0.111446 0.0 0.334338 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.09292600000000001 0.0 0.278778 Root 3.4063133333333333 1.34776 6.65282