condition mean min max Sterile Leaflet 7.778063666666667 0.133191 17.7981 Fertile Leaflet with Sori 0.22311399999999998 0.0 0.436285 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.201021 0.0 0.603063