condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.06316866666666666 0.0 0.189506 Rhizome 0.138049 0.0 0.224506 Root 3.43133 0.0 9.34336