condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 1.2671486666666667 0.339856 2.09594 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 2.09651 0.0 4.86701 Root 73.9131 33.9557 107.516