condition mean min max Sterile Leaflet 3.7791259999999998 0.383118 9.9165 Fertile Leaflet with Sori 2.2196933333333333 0.0 6.65908 Primary Rachis 0.566806 0.0 0.994121 Secondary Rachis 0.8402023333333333 0.0 2.10424 Petiole 0.45631 0.0 1.36893 Crozier 0.67458 0.0 1.68437 Root 0.139571 0.0 0.418713