condition mean min max Sterile Leaflet 0.057749 0.0 0.173247 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.05215533333333333 0.0 0.156466 Crozier 0.0 0.0 0.0 Rhizome 0.187782 0.0 0.291312 Root 3.9830566666666667 2.06862 5.61289