condition mean min max Sterile Leaflet 1.6275803333333332 0.206508 4.26589 Fertile Leaflet with Sori 0.493418 0.448455 0.534981 Primary Rachis 1.6574799999999998 1.35018 2.12762 Secondary Rachis 2.12387 1.73094 2.54438 Petiole 2.68952 1.77173 3.62846 Crozier 4.40401 3.12634 5.93749 Root 1.2171166666666666 0.0 2.32624