condition mean min max Sterile Leaflet 6.984578333333334 0.0 20.6761 Fertile Leaflet with Sori 1.1949356666666668 0.0 3.31592 Primary Rachis 0.71747 0.0 2.15241 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0