condition mean min max Sterile Leaflet 0.19228863333333335 0.042078 0.457141 Fertile Leaflet with Sori 9.830869999999999 5.80981 12.2679 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.1527821 0.0821203 0.271887 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.14908766666666667 0.0 0.277038