condition mean min max Sterile Leaflet 0.040421 0.0 0.121263 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 14.664493333333333 1.57728 29.9726 Root 0.0 0.0 0.0