condition mean min max Sterile Leaflet 1.0604233333333333 0.0 3.18127 Fertile Leaflet with Sori 6.675866666666667 0.0 20.0276 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0