condition mean min max Sterile Leaflet 2.9283733333333335 0.0 8.53522 Fertile Leaflet with Sori 0.17634926666666667 0.0389648 0.367011 Primary Rachis 0.115198 0.0 0.179583 Petiole 0.0535386 0.0151618 0.109342 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0