condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 9.867471 0.962273 23.2382 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 10.08754 6.60141 14.018 Rhizome 6.083013333333334 1.71028 8.62496 Root 0.0 0.0 0.0