condition mean min max Sterile Leaflet 8.049150000000001 3.88471 12.0198 Fertile Leaflet with Sori 38.33249333333333 4.67548 98.5146 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 4.240695333333333 0.958676 9.94079 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0