condition mean min max Sterile Leaflet 0.265081 0.112525 0.542936 Fertile Leaflet with Sori 2.8486963333333333 0.202449 4.55002 Primary Rachis 0.702952 0.123458 1.47088 Secondary Rachis 0.518974 0.116207 0.859981 Petiole 0.7230065 0.0784205 1.43035 Crozier 0.0619538 0.0203464 0.143677 Root 0.1592429 0.0211957 0.234931