condition mean min max Sterile Leaflet 3.6934166666666663 1.61497 7.08691 Fertile Leaflet with Sori 16.20432 7.75156 21.5917 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 3.82451 2.56729 5.35832 Petiole 0.37599999999999995 0.0 1.128 Crozier 0.0 0.0 0.0 Root 0.9908613333333334 0.575787 1.80664