condition mean min max Sterile Leaflet 3.706185 0.0 10.9167 Fertile Leaflet with Sori 0.31438866666666665 0.107821 0.721888 Primary Rachis 0.1604543 0.0 0.439901 Petiole 0.0168022 0.0 0.0504066 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.014153266666666666 0.0 0.0424598