condition mean min max Sterile Leaflet 0.04622196666666667 0.0 0.105725 Fertile Leaflet with Sori 0.13226000000000002 0.0 0.271239 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0594057 0.0 0.110153 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 3.1105633333333333 1.43424 4.82462