condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.536906 0.0 1.14014 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 5.665606666666667 2.89743 9.24511 Rhizome 0.12209199999999999 0.0 0.366276 Root 0.8719366666666667 0.0 2.61581