condition mean min max Sterile Leaflet 5.5864 3.80657 7.35303 Fertile Leaflet with Sori 3.8078833333333333 3.61422 3.91656 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.7586043333333333 0.0 1.52468 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0