condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.09528500000000001 0.0 0.285855 Petiole 0.20334300000000002 0.0 0.610029 Root 4.844470333333334 0.0 14.1941