condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.012391933333333334 0.0 0.0371758 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.285065 0.101866 0.403302 Root 7.851726666666667 5.47573 10.9046