condition mean min max Fertile Leaflet with Sori 8.533313333333334 7.01839 9.39069 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.036917 0.0 0.110751 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0