condition mean min max Sterile Leaflet 13.560773333333332 0.0 35.8383 Fertile Leaflet with Sori 2.337086666666667 1.43138 3.03947 Primary Rachis 0.6957599999999999 0.0 2.08728 Petiole 0.38526 0.0 1.15578 Crozier 0.0 0.0 0.0 Rhizome 0.031146999999999998 0.0 0.093441 Root 0.0 0.0 0.0