condition mean min max Sterile Leaflet 2.1523566666666665 0.0 6.45707 Fertile Leaflet with Sori 0.10469233333333333 0.0 0.23512 Primary Rachis 0.0 0.0 0.0 Petiole 0.036888 0.0 0.110664 Crozier 2.0539199999999997 1.39961 2.77559 Rhizome 2.19081 0.0 5.95457 Root 3.71275 0.0 6.63664