condition mean min max Sterile Leaflet 5.019506666666667 1.21222 10.7552 Fertile Leaflet with Sori 1.048719 0.291747 1.46673 Primary Rachis 0.0 0.0 0.0 Petiole 0.22863933333333333 0.0 0.348908 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0