condition mean min max Sterile Leaflet 0.06657033333333333 0.0 0.199711 Fertile Leaflet with Sori 0.314722 0.220275 0.369708 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.11442300000000001 0.0 0.254659 Petiole 0.011254199999999999 0.0 0.0337626 Crozier 0.0 0.0 0.0 Root 4.496899333333333 0.268445 12.6205