condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 1.7264933333333334 0.0 3.36743 Crozier 0.0 0.0 0.0 Rhizome 7.721012 0.0 22.9128 Root 57.75933966666667 0.548569 165.745