condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.6641256666666667 0.557056 0.84579 Rhizome 0.8388476666666668 0.0 2.35178 Root 12.00213 1.35503 29.3221