condition mean min max Sterile Leaflet 1.004735 0.389005 1.49867 Fertile Leaflet with Sori 0.8676063333333333 0.549731 1.2444 Primary Rachis 1.3176033333333332 1.07786 1.73532 Secondary Rachis 1.2345359999999999 0.903638 1.72504 Petiole 1.1295273333333333 0.947365 1.47375 Crozier 3.43416 2.98257 3.69128 Root 1.211681 0.802203 1.70292