condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.6431 0.0 10.9293 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.043984999999999996 0.0 0.131955 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0