condition mean min max Sterile Leaflet 2.0615366666666666 1.74555 2.59652 Fertile Leaflet with Sori 9.690771 0.564273 27.4598 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.3730166666666667 0.0 1.11905 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0