condition mean min max Sterile Leaflet 2.702106 0.271088 5.90807 Fertile Leaflet with Sori 0.236345 0.0 0.709035 Primary Rachis 5.54076 1.74008 8.14557 Secondary Rachis 4.976333333333333 1.69122 6.88689 Petiole 4.9215599999999995 1.18164 8.20679 Crozier 4.28628 0.0 9.69556 Root 1.7189166666666666 0.30629 3.14533