condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.11377133333333334 0.0 0.341314 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.29451900000000003 0.0 0.883557 Root 3.1692066666666667 1.0413 5.22264