condition mean min max Sterile Leaflet 3.548766 0.0 10.1181 Fertile Leaflet with Sori 1.224339 0.0 3.16084 Primary Rachis 1.6352066666666667 0.0 4.90562 Petiole 0.14939 0.0 0.236045 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0