condition mean min max Sterile Leaflet 0.314081 0.11152 0.516841 Fertile Leaflet with Sori 0.166515 0.150494 0.194761 Primary Rachis 5.227973333333333 4.79444 5.44846 Secondary Rachis 4.287363333333333 4.01718 4.53653 Petiole 5.99826 4.73306 7.1166 Crozier 0.6643943 0.0826969 1.55531 Root 1.089271 0.893243 1.29298