condition mean min max Sterile Leaflet 0.5570066666666666 0.0 1.67102 Fertile Leaflet with Sori 2.2126233333333336 0.0 6.63787 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.51011 0.0 1.53033 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.626435 0.0 1.28112