condition mean min max Sterile Leaflet 1.2883879999999999 0.945124 1.51186 Fertile Leaflet with Sori 1.70125 1.00264 2.24524 Primary Rachis 1.0379743333333333 0.692543 1.23929 Secondary Rachis 0.7871583333333333 0.457322 1.09623 Petiole 1.3733233333333332 1.33066 1.4016 Crozier 7.63371 6.88992 8.81025 Root 0.52649 0.338735 0.823876