condition mean min max Sterile Leaflet 0.01786506666666667 0.0 0.0535952 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 4.0744766666666665 1.98699 5.96352 Root 0.0201537 0.0 0.0604611