condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.7311400000000003 0.0 4.12947 Petiole 0.0 0.0 0.0 Crozier 2.532106666666667 0.0 7.59632 Rhizome 3.76151 0.0 6.76295 Root 11.93137 2.29201 18.2622