condition mean min max Sterile Leaflet 0.61063 0.0 1.83189 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.29580766666666664 0.0 0.887423 Secondary Rachis 0.6829326666666667 0.0 1.43019 Petiole 0.0 0.0 0.0 Crozier 2.614181 0.975623 3.57233 Root 0.246318 0.0 0.392403