condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.126244 0.0 0.221039 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 5.284019 0.441637 13.9673