condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 5.5168333333333335 4.589 6.86815 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