condition mean min max Sterile Leaflet 0.09864233333333333 0.0 0.295927 Fertile Leaflet with Sori 24.3531 14.921 32.002 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.84355 0.0 2.53065 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.09213 0.0 0.27639