condition mean min max Sterile Leaflet 0.11126266666666666 0.0 0.333788 Fertile Leaflet with Sori 3.48059 1.64879 5.17673 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.04754 0.0 0.14262 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.2743086666666667 0.0 0.822926