condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 11.132346666666667 1.97081 27.1278 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