condition mean min max Sterile Leaflet 0.04959466666666667 0.0 0.148784 Fertile Leaflet with Sori 3.5169900000000003 1.65679 5.40575 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.43752833333333335 0.1019 1.10134 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.019993300000000002 0.0 0.0599799