condition mean min max Sterile Leaflet 0.19602456666666668 0.0692037 0.259786 Fertile Leaflet with Sori 2.612471 0.578463 3.86524 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.34416199999999997 0.0 0.925306 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0