condition mean min max Sterile Leaflet 0.337631 0.241835 0.386523 Fertile Leaflet with Sori 7.05157 2.80655 10.3666 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.34855433333333335 0.121289 0.52707 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 1.2274736666666666 0.485091 2.03083