condition mean min max Sterile Leaflet 0.19184123333333333 0.0277687 0.39409 Fertile Leaflet with Sori 4.596956666666666 0.68971 6.69882 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.1100339 0.0 0.257573 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.60005 0.197757 0.815573