condition mean min max Sterile Leaflet 6.589113066666666 0.0 19.7416 Fertile Leaflet with Sori 0.2673756666666667 0.0 0.802127 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.069865 0.0 0.209595 Root 0.0096939 0.0 0.0290817