condition mean min max Sterile Leaflet 6.003973333333334 4.33828 9.24175 Fertile Leaflet with Sori 6.53381 5.67075 6.98591 Primary Rachis 0.038675966666666665 0.0 0.0805911 Petiole 0.0375025 0.0 0.0740223 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0