condition mean min max Sterile Leaflet 1.2471593333333333 0.389638 2.18864 Fertile Leaflet with Sori 8.48168 4.60658 15.5371 Primary Rachis 0.0527102 0.0 0.0870775 Secondary Rachis 0.6110491 0.0998143 0.902672 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.073175 0.0 0.219525